"I have a request, and now I am going to return to Jiangxia Optics Valley Company for research and development." At this time, Professor Hao Ning replied with a serious expression.He also asked Xu Zhenming to send a group of mechanical engineers to Jiangxia with him, vowing to take out the krypton fluoride laser source generator within one month.
Hearing these words, Xu Zhenming couldn't help but froze on the spot.
The same goes for Hu Mingzhen, Wanninggu, He Changlin and others. They all looked at Professor Hao Ning in surprise, thinking that what Professor Hao Ning said was a bit extreme.
"When our generation does not sacrifice or work hard, when can we manufacture our own domestic lithography machines? Do we have to wait for our next generation to fulfill their long-cherished wishes? As in the past, when will we Chinese have our own complete set of chip manufacturing technology? ?"
Professor Hao Ning was shocked to see everyone, waving his right hand to express his thoughts.He almost yelled at these words, no different from the young angry youth.
Xu Zhenming really did not expect Professor Hao Ning to have such a passionate side.
"If China's scientific research workers are like Professor Hao Ning, how can our chip manufacturing technology in China lag so much behind Americans?" Seeing Professor Hao Ning's face flushed with excitement, Xu Zhenming was deeply moved.
He is also full of enthusiasm and stated on the spot that the group company will go all out to support Professor Hao Ning's scientific research work."If you want money, I will give you money, if you want people, I will give you people. In short, the group company will fully support you!" Xu Zhenming solemnly stated to Professor Hao Ning.
"Xu Dong, please rest assured, we will settle down to do research and will not waste a penny of the group company." Professor Hao Ning has the urge to die for a confidant.
Since joining Yiming Group, he has also felt that Xu Zhenming is different from ordinary bosses and is willing to invest in research and development funds."Being energetically with such a boss!" He thought excitedly.
After that, Hao Ning, who gradually calmed down, remembered something."Xu Dong, I really need funds to buy a batch of test equipment and testing equipment." He smiled unnaturally, thinking that he seemed a little gaffe just now.
"How much? Is one billion enough?" Xu Zhenming nodded without hesitation.
"Well... almost this amount is needed. Krypton fluoride solvents have to be imported, and related formula testing instruments, test papers, pilot equipment, etc. are very expensive. In addition, we are also planning to use argon fluoride as a light source reagent for testing." Hao Ning broke his fingers and reported to Xu Zhenming the list of equipment and raw materials to be purchased. It was really expensive.
"I allocated 200 million yuan to your project team, and you look at the arrangement." Xu Zhenming agreed to Professor Hao Ning's request without thinking about it.
Seeing Xu Zhenming waved his big hand, Hao Ning was particularly excited. “We Xu Dong really came from a technical background and can understand the difficulties of our technicians. I must complete the R&D task ahead of time for this project. No... The laser generator of the fourth-generation lithography machine is made."
In this passionate atmosphere, Professor Hao Ning and his team hurriedly completed the tour of the laser light source system and set off on their way home.They didn't want to rest for a night, and had to rush back to Jiangxia City overnight to prepare.
Infected by their passion, Hu Mingzhen’s team was unwilling to take a break, and prepared to disassemble the equipment of the laser light source system overnight, pack it, and drive it exclusively.
Early the next morning, a large truck loaded with hope drove out of the compound of Mingxin Manufacturing Company and drove towards Jiangxia Optics Valley Company, the land of hope.
Xu Zhenming returned to his office happily after sending off the big truck.At this time, Gui Changshu, who was far away in the capital, called him.
"Xu Dong, I heard from the old Zhao of the Jiangxia Institute of Light Research, that the scientific research funds for their project are in a hurry, what shall we do?" After the call was connected, Gui Changshu complained on the phone, thinking that this krypton fluoride laser generator It's too expensive, and it's not cost-effective at all.
Hearing these words, Xu Zhenming smiled, "President Gui, how much did your group spend? Thirty million or fifty million? I have given him 240 million yuan, and I haven’t seen anything. . What do you say about this?"
"Hey...how did Lao Zhao manage to burn so much money and still haven't figured it out?"
"President Gui, I think your unit should be replaced to lead this project. Otherwise, I will not invest any more money."
"Hey...Xu Dong, didn't you swear to take out the domestic lithography machine?" At this moment, Gui Changshu's shocked voice came from the phone.Obviously, he was also confused by Xu Zhenming's decision.
Hearing this, Xu Zhenming smiled into the microphone: "I am dissatisfied with Mr. Gui. I have set up a laser generator R&D team myself. The project on my side only burned more than 110 million yuan, and it has already been used. A sample of the krypton fluoride laser generator."
"Huh? You have already worked out the light source system for the third generation lithography machine?" Gui Changshu's surprised cry came from the phone.
"Ha ha ha... If you follow your organization's rules, I can now apply for invention patents and apply for research and development funds for the subject. However, the technical team of our project is not satisfied with this sample and is redesigning and modifying it."
Xu Zhenming was arrogant and praised Professor Hao Ning's team.
"Hey..." Gui Changshu sighed with envy from the phone.He then chatted with Xu Zhenming a few words, and asked about the 1809 project and the 9701 project by the way.
From this point of view, the main purpose of his call was to ask about the progress of the two chip development projects.
Xu Zhenming burst into laughter upon hearing these words.
He has received the news reported by He Changlin, the 9701 project will be delivered first, the design task has been completed, and the test tape is being made.According to the normal plan, a batch of YJ-010970, YJ-02501 and YJ-0506 chipsets will be available in about three days.
"Well, I will bring Academician He's team to the headquarters of your group company in three days." At this time, Gui Changshu's excited laughter came over the phone.
Three days later, at about ten in the morning, in the compound of Mingxin Manufacturing Company.Xu Zhenming stood outside the factory building of He Changlin's laboratory, waiting for the arrival of Gui Changshu and others.
"Didi..." At this time, three black Audi cars with white military licenses drove slowly to Xu Zhenming's side.As soon as the car stopped, the door of the first car was opened, and Gui Changshu got out of the car with a smile.
"Xu Dong, you and your team members have worked hard." Gui Changshu smiled and stretched out his right hand towards Xu Zhenming, saying kind words in his mouth.
In fact, Xu Zhenming didn't work hard at all.This 9701 project does not require him to go to the master, he does not need to stay up late and work overtime.
"For the motherland, it is our duty." But Xu Zhenming still sang a high-profile and praised He Changlin's team members.
"Haha..." At this time, Academician He and others standing beside Xu Zhenming all pursed their lips and laughed.They knew that Xu Zhenming was talking about Gui Changshu, so they laughed like that.
"Don't talk nonsense, quickly take me to see the chip." Gui Changshu feintly said.He knew that Xu Zhenming was playing poor with him, and he did not want to cooperate.
"Hahaha..." Everyone laughed.
In this pleasant atmosphere, Xu Zhenming led everyone into He Changlin's laboratory."Should we look at the chip first or have the meeting first?" Xu Zhenming asked Gui Changshu with a smile while walking on the road.
According to Gui Changshu's personality, we must first go and see what the YJ-010970, YJ-02501 and YJ-0506 chipsets look like.But he is a layman in this respect, and he cannot make decisions casually.Thinking of this, Gui Changshu turned his face and looked at Academician He beside him.
Academician He is an aviation expert. He has been engaged in scientific research projects all his life and has rich experience.
"Xu Dong, let's go to the conference room to see the technical data of the three sets of chips." He put forward a request that surprised Gui Changshu.
Hearing this, Xu Zhenming nodded in satisfaction.Academician He's request was the same as he and He Changlin had imagined, indicating that he was not a layman.Therefore, he led Gui Changshu and Academician He to the confidential meeting room.Before long, everyone moved to the confidential meeting room.
At this time, many engineers were seated in this conference room, and a chip pattern was projected on the opposite wall of the conference table.On the side of the conference table, He Changlin has led the team members waiting.
They are ready to explain the technology of YJ-010970, YJ-02501 and YJ-0506 chipsets, and the PPT documents of the technology demonstration have been opened.
"Xu Dong, my side is ready." Seeing Xu Zhenming coming to his side, He Changlin stood up and reported the situation in Xu Zhenming's ear.
"General Gui, Academician He, and leaders, how about the technical demonstration meeting of the 1809 project, how about we start now?"
Xu Zhenming received accurate information and solicited the opinions of Dean He and Gui Changshu on the spot, and requested an immediate meeting to introduce the chipset.With the other party's approval, he asked He Changlin to start the meeting.
He Changlin is very familiar with Gui Changshu, Academician He and others, so naturally he is not polite.He picked up the microphone and looked sideways at the big screen projected on the wall.
"Everyone, among the three chipsets of the 1809 project, the YJ-010970 chipset is the most important and the core part of the whole chipset. For this reason, our project team uses the RSIC+CSIC compound instruction set model to design, and the chip operation speed A significant increase of 20%. This table is the data..."
He Changlin pointed at the large projection screen with a light pen and introduced the situation of the 1809 project chipset.
At the same time, one of his engineers is responsible for operating the computer and displaying the picture of the PPT file.
In other words, the YJ-010970 chipset is really important in the entire project team, similar to what He Changlin described.
This chip is called an ASIC code chip, which is equivalent to the CPU of a PC computer and is responsible for the data processing of the embedded circuit board of the 1809 project.If the performance of this chipset is not good, it will affect the response speed of the entire early warning aircraft.
Because of this, He Changlin introduced this chipset first. Academician He here also paid special attention to the data report of the chip test processing.
"Hey...this set of data is very beautiful, much stronger than the chip data of foreigners." After reading the data introduced by He Changlin, Academician He couldn't help being surprised.
There was also an open laptop in front of him, which contained a set of agreed chip test data.
This set of data comes from a company in the Middle East, and the authenticity of the data is very reliable.If the Yiming Group does not appear, this one-color company will definitely win the bid and take over all the early warning electromechanical subsystems of the Northern Aircraft Corporation.
Not only that, Academician He also trusts this company very much and has cooperated many times.If it were not for Gui Changshu and the leaders of the headquarters to insist on the localization of early-warning electronic products, Academician He would still very much want to cooperate with that company.For nothing else, people have already sent the early warning aircraft to the sky, and there are successful cases there.
Academician He didn't expect that the data of YJ-010970 chipset just released by Yiming Group Company was very strong, which was beyond his expectation.
"Oh, how can this chip be so fast? With so many transistors integrated, will the power increase a lot?"
"From the perspective of chip area, our YJ-010970 chip should use new technology, otherwise it will not be so powerful."
"Strong! This data is strong."
At this time, the members of Academician He's team were also very shocked.
They all doubted He Changlin’s test data, “Our country’s chip design and manufacturing technology can actually exceed Yisei? How is this possible?”
"Everyone, this ASIC code chip, our group company adopts the world's most advanced chip process technology, chip energy consumption and transistor integration, under the current technology situation, it should be the world's most advanced." At this time, He Changlin gave Academician He and others explained their doubts.
"My dear! Our ASIC code chip uses 0.018 micron lithography accuracy. It turns out to be so strong!" When I heard that this YJ-010970 chip uses the world's most advanced lithography machine and the world's most advanced process technology to produce the line, Academician He and his team members suddenly realized.
"Well, our Northern Aircraft Company needs this product."
At this time, Gui Changshu happily slapped the table.Although he does not know the specific chip technology, he also knows that a chip with good data is a good thing.As the investor of the project, his statement at the meeting is very important.
Because he paid for the bill, Academician He had no worries about financial pressure, so naturally he would not oppose Gui Changcun's proposal.
"Mr. He, let's take a look at the YJ-010970 chipset's instruction set operating response speed table." Even so, Academician He is still very careful to look at the data of this ASIC code chipset.
After some comparison, he found that the data of YJ-010970 is better than the data of the chip of that company.That being the case, Academician He chose to approve this YJ-010970 chipset on the spot.
Of course, these data need to be verified, and the data report of the test database can be obtained on the test bench to be finalized.
Academician He also believes that He Changlin will not fake, after all, the reputation of Yiming Group is there."Mr. He, let's go to the next link." Thinking of this, he talked with He Changlin with a smile.
He Changlin was still feeling that the speed of this group was too slow, and he was very anxious.Seeing Academician He asked himself to continue to introduce himself, he nodded slightly and said:
"The code name of the chip introduced below is YJ-0506. According to the description in the project planning book, this chip should be the main processing chipset with signal capture and automatic signal discrimination functions. Therefore, the anti-interference ability of this chip must be strong! It uses a military-grade chip protection design..."
He Changlin has been engaged in the design of military-grade chips in the United States, and used the experience of the countrymen in the design of the YJ-506 chipset.
"I have a request, and now I am going to return to Jiangxia Optics Valley Company for research and development." At this time, Professor Hao Ning replied with a serious expression.He also asked Xu Zhenming to send a group of mechanical engineers to Jiangxia with him, vowing to take out the krypton fluoride laser source generator within one month.
Hearing these words, Xu Zhenming couldn't help but froze on the spot.
The same goes for Hu Mingzhen, Wanninggu, He Changlin and others. They all looked at Professor Hao Ning in surprise, thinking that what Professor Hao Ning said was a bit extreme.
"When our generation does not sacrifice or work hard, when can we manufacture our own domestic lithography machines? Do we have to wait for our next generation to fulfill their long-cherished wishes? As in the past, when will we Chinese have our own complete set of chip manufacturing technology? ?"
Professor Hao Ning was shocked to see everyone, waving his right hand to express his thoughts.He almost yelled at these words, no different from the young angry youth.
Xu Zhenming really did not expect Professor Hao Ning to have such a passionate side.
"If China's scientific research workers are like Professor Hao Ning, how can our chip manufacturing technology in China lag so much behind Americans?" Seeing Professor Hao Ning's face flushed with excitement, Xu Zhenming was deeply moved.
He is also full of enthusiasm and stated on the spot that the group company will go all out to support Professor Hao Ning's scientific research work."If you want money, I will give you money, if you want people, I will give you people. In short, the group company will fully support you!" Xu Zhenming solemnly stated to Professor Hao Ning.
"Xu Dong, please rest assured, we will settle down to do research and will not waste a penny of the group company." Professor Hao Ning has the urge to die for a confidant.
Since joining Yiming Group, he has also felt that Xu Zhenming is different from ordinary bosses and is willing to invest in research and development funds."Being energetically with such a boss!" He thought excitedly.
After that, Hao Ning, who gradually calmed down, remembered something."Xu Dong, I really need funds to buy a batch of test equipment and testing equipment." He smiled unnaturally, thinking that he seemed a little gaffe just now.
"How much? Is one billion enough?" Xu Zhenming nodded without hesitation.
"Well... almost this amount is needed. Krypton fluoride solvents have to be imported, and related formula testing instruments, test papers, pilot equipment, etc. are very expensive. In addition, we are also planning to use argon fluoride as a light source reagent for testing." Hao Ning broke his fingers and reported to Xu Zhenming the list of equipment and raw materials to be purchased. It was really expensive.
"I allocated 200 million yuan to your project team, and you look at the arrangement." Xu Zhenming agreed to Professor Hao Ning's request without thinking about it.
Seeing Xu Zhenming waved his big hand, Hao Ning was particularly excited. “We Xu Dong really came from a technical background and can understand the difficulties of our technicians. I must complete the R&D task ahead of time for this project. No... The laser generator of the fourth-generation lithography machine is made."
In this passionate atmosphere, Professor Hao Ning and his team hurriedly completed the tour of the laser light source system and set off on their way home.They didn't want to rest for a night, and had to rush back to Jiangxia City overnight to prepare.
Infected by their passion, Hu Mingzhen’s team was unwilling to take a break, and prepared to disassemble the equipment of the laser light source system overnight, pack it, and drive it exclusively.
Early the next morning, a large truck loaded with hope drove out of the compound of Mingxin Manufacturing Company and drove towards Jiangxia Optics Valley Company, the land of hope.
Xu Zhenming returned to his office happily after sending off the big truck.At this time, Gui Changshu, who was far away in the capital, called him.
"Xu Dong, I heard from the old Zhao of the Jiangxia Institute of Light Research, that the scientific research funds for their project are in a hurry, what shall we do?" After the call was connected, Gui Changshu complained on the phone, thinking that this krypton fluoride laser generator It's too expensive, and it's not cost-effective at all.
Hearing these words, Xu Zhenming smiled, "President Gui, how much did your group spend? Thirty million or fifty million? I have given him 240 million yuan, and I haven’t seen anything. . What do you say about this?"
"Hey...how did Lao Zhao manage to burn so much money and still haven't figured it out?"
"President Gui, I think your unit should be replaced to lead this project. Otherwise, I will not invest any more money."
"Hey...Xu Dong, didn't you swear to take out the domestic lithography machine?" At this moment, Gui Changshu's shocked voice came from the phone.Obviously, he was also confused by Xu Zhenming's decision.
Hearing this, Xu Zhenming smiled into the microphone: "I am dissatisfied with Mr. Gui. I have set up a laser generator R&D team myself. The project on my side only burned more than 110 million yuan, and it has already been used. A sample of the krypton fluoride laser generator."
"Huh? You have already worked out the light source system for the third generation lithography machine?" Gui Changshu's surprised cry came from the phone.
"Ha ha ha... If you follow your organization's rules, I can now apply for invention patents and apply for research and development funds for the subject. However, the technical team of our project is not satisfied with this sample and is redesigning and modifying it."
Xu Zhenming was arrogant and praised Professor Hao Ning's team.
"Hey..." Gui Changshu sighed with envy from the phone.He then chatted with Xu Zhenming a few words, and asked about the 1809 project and the 9701 project by the way.
From this point of view, the main purpose of his call was to ask about the progress of the two chip development projects.
Xu Zhenming burst into laughter upon hearing these words.
He has received the news reported by He Changlin, the 9701 project will be delivered first, the design task has been completed, and the test tape is being made.According to the normal plan, a batch of YJ-010970, YJ-02501 and YJ-0506 chipsets will be available in about three days.
"Well, I will bring Academician He's team to the headquarters of your group company in three days." At this time, Gui Changshu's excited laughter came over the phone.
Three days later, at about ten in the morning, in the compound of Mingxin Manufacturing Company.Xu Zhenming stood outside the factory building of He Changlin's laboratory, waiting for the arrival of Gui Changshu and others.
"Didi..." At this time, three black Audi cars with white military licenses drove slowly to Xu Zhenming's side.As soon as the car stopped, the door of the first car was opened, and Gui Changshu got out of the car with a smile.
"Xu Dong, you and your team members have worked hard." Gui Changshu smiled and stretched out his right hand towards Xu Zhenming, saying kind words in his mouth.
In fact, Xu Zhenming didn't work hard at all.This 9701 project does not require him to go to the master, he does not need to stay up late and work overtime.
"For the motherland, it is our duty." But Xu Zhenming still sang a high-profile and praised He Changlin's team members.
"Haha..." At this time, Academician He and others standing beside Xu Zhenming all pursed their lips and laughed.They knew that Xu Zhenming was talking about Gui Changshu, so they laughed like that.
"Don't talk nonsense, quickly take me to see the chip." Gui Changshu feintly said.He knew that Xu Zhenming was playing poor with him, and he did not want to cooperate.
"Hahaha..." Everyone laughed.
In this pleasant atmosphere, Xu Zhenming led everyone into He Changlin's laboratory."Should we look at the chip first or have the meeting first?" Xu Zhenming asked Gui Changshu with a smile while walking on the road.
According to Gui Changshu's personality, we must first go and see what the YJ-010970, YJ-02501 and YJ-0506 chipsets look like.But he is a layman in this respect, and he cannot make decisions casually.Thinking of this, Gui Changshu turned his face and looked at Academician He beside him.
Academician He is an aviation expert. He has been engaged in scientific research projects all his life and has rich experience.
"Xu Dong, let's go to the conference room to see the technical data of the three sets of chips." He put forward a request that surprised Gui Changshu.
Hearing this, Xu Zhenming nodded in satisfaction.Academician He's request was the same as he and He Changlin had imagined, indicating that he was not a layman.Therefore, he led Gui Changshu and Academician He to the confidential meeting room.Before long, everyone moved to the confidential meeting room.
At this time, many engineers were seated in this conference room, and a chip pattern was projected on the opposite wall of the conference table.On the side of the conference table, He Changlin has led the team members waiting.
They are ready to explain the technology of YJ-010970, YJ-02501 and YJ-0506 chipsets, and the PPT documents of the technology demonstration have been opened.
"Xu Dong, my side is ready." Seeing Xu Zhenming coming to his side, He Changlin stood up and reported the situation in Xu Zhenming's ear.
"General Gui, Academician He, and leaders, how about the technical demonstration meeting of the 1809 project, how about we start now?"
Xu Zhenming received accurate information and solicited the opinions of Dean He and Gui Changshu on the spot, and requested an immediate meeting to introduce the chipset.With the other party's approval, he asked He Changlin to start the meeting.
He Changlin is very familiar with Gui Changshu, Academician He and others, so naturally he is not polite.He picked up the microphone and looked sideways at the big screen projected on the wall.
"Everyone, among the three chipsets of the 1809 project, the YJ-010970 chipset is the most important and the core part of the whole chipset. For this reason, our project team uses the RSIC+CSIC compound instruction set model to design, and the chip operation speed A significant increase of 20%. This table is the data..."
He Changlin pointed at the large projection screen with a light pen and introduced the situation of the 1809 project chipset.
At the same time, one of his engineers is responsible for operating the computer and displaying the picture of the PPT file.
In other words, the YJ-010970 chipset is really important in the entire project team, similar to what He Changlin described.
This chip is called an ASIC code chip, which is equivalent to the CPU of a PC computer and is responsible for the data processing of the embedded circuit board of the 1809 project.If the performance of this chipset is not good, it will affect the response speed of the entire early warning aircraft.
Because of this, He Changlin introduced this chipset first. Academician He here also paid special attention to the data report of the chip test processing.
"Hey...this set of data is very beautiful, much stronger than the chip data of foreigners." After reading the data introduced by He Changlin, Academician He couldn't help being surprised.
There was also an open laptop in front of him, which contained a set of agreed chip test data.
This set of data comes from a company in the Middle East, and the authenticity of the data is very reliable.If the Yiming Group does not appear, this one-color company will definitely win the bid and take over all the early warning electromechanical subsystems of the Northern Aircraft Corporation.
Not only that, Academician He also trusts this company very much and has cooperated many times.If it were not for Gui Changshu and the leaders of the headquarters to insist on the localization of early-warning electronic products, Academician He would still very much want to cooperate with that company.For nothing else, people have already sent the early warning aircraft to the sky, and there are successful cases there.
Academician He didn't expect that the data of YJ-010970 chipset just released by Yiming Group Company was very strong, which was beyond his expectation.
"Oh, how can this chip be so fast? With so many transistors integrated, will the power increase a lot?"
"From the perspective of chip area, our YJ-010970 chip should use new technology, otherwise it will not be so powerful."
"Strong! This data is strong."
At this time, the members of Academician He's team were also very shocked.
They all doubted He Changlin’s test data, “Our country’s chip design and manufacturing technology can actually exceed Yisei? How is this possible?”
"Everyone, this ASIC code chip, our group company adopts the world's most advanced chip process technology, chip energy consumption and transistor integration, under the current technology situation, it should be the world's most advanced." At this time, He Changlin gave Academician He and others explained their doubts.
"My dear! Our ASIC code chip uses 0.018 micron lithography accuracy. It turns out to be so strong!" When I heard that this YJ-010970 chip uses the world's most advanced lithography machine and the world's most advanced process technology to produce the line, Academician He and his team members suddenly realized.
"Well, our Northern Aircraft Company needs this product."
At this time, Gui Changshu happily slapped the table.Although he does not know the specific chip technology, he also knows that a chip with good data is a good thing.As the investor of the project, his statement at the meeting is very important.
Because he paid for the bill, Academician He had no worries about financial pressure, so naturally he would not oppose Gui Changcun's proposal.
"Mr. He, let's take a look at the YJ-010970 chipset's instruction set operating response speed table." Even so, Academician He is still very careful to look at the data of this ASIC code chipset.
After some comparison, he found that the data of YJ-010970 is better than the data of the chip of that company.That being the case, Academician He chose to approve this YJ-010970 chipset on the spot.
Of course, these data need to be verified, and the data report of the test database can be obtained on the test bench to be finalized.
Academician He also believes that He Changlin will not fake, after all, the reputation of Yiming Group is there."Mr. He, let's go to the next link." Thinking of this, he talked with He Changlin with a smile.
He Changlin was still feeling that the speed of this group was too slow, and he was very anxious.Seeing Academician He asked himself to continue to introduce himself, he nodded slightly and said:
"The code name of the chip introduced below is YJ-0506. According to the description in the project planning book, this chip should be the main processing chipset with signal capture and automatic signal discrimination functions. Therefore, the anti-interference ability of this chip must be strong! It uses a military-grade chip protection design..."
He Changlin has been engaged in the design of military-grade chips in the United States, and used the experience of the countrymen in the design of the YJ-506 chipset.
