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This photo is very familiar to Su Yichen, because he also has the same one in his pocket.

This was taken on the day the Galaxy supercomputer project was completed, and in the photo, his mentors, Professor Luo Shaohua and Professor Wan Changchun, are standing in the center, and the three people on their left are Lu Yuanming, Yun Mei and Lin Dong. Lu Yuanming is a disciple of Professor Wan Changchun, a lecturer in the Department of Physics of the University of Science and Technology, and Sister Yunmei is Su Yichen's senior sister.

As for Lin Dong, he is an expert in microelectronics, and he is also an assistant professor in the department, when Su Yichen first joined the project team, Lin Dong also had an awkward quarrel with Su Yichen, because entering the project team was specially arranged by Luo Shaohua, Lin Dong thought that Su Yichen was completely stuffed into the project team by virtue of his relationship, and he was very unhappy about it, and even said some strange things about public and private use and nepotism in front of everyone.

In that year, in order to save time and grasp the overall progress, the project team finally decided to adopt modular design in the overall scheme design of general integrated circuits, that is, to complete the module and then carry out the overall combination assembly test, and finally adjust the design idea.

Because of this idea, the entire project team was divided into various groups, and Lin Dong was one of the leaders. Once, when Su Yichen was reviewing the design of a single area module, he found that the electronic circuit of this part of the template had design defects, and immediately questioned Lin Dong, who was in charge of this part of the work, believing that the electronic circuit he designed was in conflict with the overall design, and if he did not make adjustments, it was likely to cause the failure of the entire general integrated circuit.

But when Su Yichen put forward his opinion, Lin Dong felt that he was simply worrying, or he was talking nonsense, because he had gone through careful calculations when designing the template, and the design plan was also calculated in detail after discussion by the project team. The two sides expressed their opinions on this and argued on the basis of reason, but neither of them would give in and made a fuss on the spot.

In the end, Professor Wan Changchun made a decision after listening to the report, suspending the work for the sake of prudence, and re-checking the previous numbers in response to the problems raised by Su Yichen, and at the same time, he also asked everyone to take the overall scheme calculation into account and conduct a comprehensive simulation from part to the whole to make the final verification results.

After the final result came out, Lin Dong was stunned that Su Yichen's judgment was actually right, and it was precisely because of Su Yichen's bold "collision" that the entire project team recovered the huge losses that could occur.

After experiencing this, Lin Dong, who has a straightforward personality and is responsible for his work, not only did he blame Su Yichen, but changed his previous cold attitude and was completely impressed by Su Yichen.

Recalling the scene when he and Lin Dong were arguing about the electronic circuit issue, the corners of Su Yichen's mouth couldn't help but smile, and at the same time, he sighed infinitely in his heart, after so many years, I don't know what happened to Lin Dong and them, is it okay?

On the left side of the photo, that is, on the right hand side of Professor Luo Shaohua and Professor Wan Changchun, there are two young people in their prime, who are Su Yichen himself and Luo Yan, who is extremely concerned about him. Although Su Yichen and Luo Yan in the photo are just standing as ordinary as others, if you look closely, you can find that their hands are holding each other under the photo, and their smiles are so bright and sweet in eye contact.

Standing in front of this familiar photo, for a while, it was as if I had returned to the past, to the time when I took the photo. Looking at the familiar faces in the photo, Su Yichen couldn't help but feel a little stupid.

I don't know how long it has been, and it wasn't until I asked that Su Yichen returned to reality from his memories.

"This classmate ......."

Su Yichen turned around and looked, only to see a middle-aged man dressed as a teacher standing behind him, and the other party told Su Yichen that there would be a reception event in the showroom soon, so he hoped that Su Yichen would be able to leave as much as possible.

Su Yichen didn't care about the other party's reminder, anyway, he had already seen everything he wanted to see here, and it was time to leave. Next, Su Yichen planned to go to the staff dormitory to take a look, if the old red mansion was still there, he wanted to see where his teacher and Luo Yan used to live, thinking of this, Su Yichen nodded slightly to the other party, and left through the other door of the showroom.

As soon as Su Yichen walked out of the showroom, a group of people came to the door he had entered before, and an old man with gray hair and about 70 years old walked in, accompanied by several professors and school leaders. And when the old man stepped into the showroom, Su Yichen's figure happened to leave from the other side, and his eyes inadvertently swept over his back, and the old man was slightly stunned, only feeling that this back seemed to be a little familiar.

"Lin Lao?" Seeing the old man stop, a middle-aged man accompanying him asked with concern.

Lin Lao's gaze looked in the direction of Su Yichen's departure, and at this time, Su Yichen had already walked away, and there was no empty figure over there.

"It's nothing, it's probably because people are dazzled, old men, old people, this person is easy to get confused when he gets old." Lin Lao laughed self-deprecatingly, and the middle-aged man who accompanied him laughed and said: "Lin Lao, you are really joking, you are not confused at all, in my opinion, Lin Lao, your health is good, and it will not be a problem to work for more than ten or twenty years, and we juniors still hope to listen to your teachings for a few more years." ”

"Yes, yes, Lin Lao, you are a treasure of our Shimen University, although you went to the Chinese Academy of Sciences, don't forget that this is your maiden home, and our mother's family is looking forward to you coming back to see it more often every year."

Several other people on the side laughed and agreed. Lin Lao laughed when he heard this, and pointed his finger at them, saying that you stinky boys have not grown up for so many years, and you have become department heads and professors and deliberately slapped your own ass, but it is useless to shoot this fart no matter how loud it is, he was just a stinky old man engaged in scientific research back then, and now he is a bad old man who is about to retire, burning incense and worshiping Buddha to find the wrong person.

Although Lin Lao said this, how could the people present dare to take his words seriously? You must know that Lin Lao was not only an old professor of Shimen University, but also an academician of the Chinese Academy of Sciences, and has a very high status in the education and academic circles.

Speaking of Lin Lao, he is not only a nostalgic person, although he has long left Shimen University, but he will always take a few days to return to the university every year to go around, especially this showroom is a place where he must pass every time, today is no exception, accompanied by everyone, he came to the showroom, looking at the glass wall with honors and old photos, telling others about the past of the year.

Finally came to the photo, Lin Lao stopped, his eyes stayed on the photo, but the excited look just now became lonely, and he even sighed lightly.

"Old Lin, tell us about this photo." Every time Lin Lao came here, he would stand in front of this photo for a long time, but he never told everyone the story of this photo, and the head of the department who accompanied Lin Lao today, that is, the middle-aged man standing next to Lin Lao, couldn't help but ask boldly.

His eyes were withdrawn from the photo, and he looked at everyone, and when he saw that everyone was curious, Lin Lao hesitated slightly, and then said, "Okay, I'll tell you about ...... today." ”

Lin Lao told everyone the story behind the photo, although there is a line of introduction written below the photo, which indicates the origin of the photo, but this is far less than the story of the person. Lin Lao began to tell from the establishment of the Galaxy supercomputer project in 1979, and talked about the day when the project was successful in 1983, and this photo is the main member of Shimen University of Science and Technology who participated in the Yinhe supercomputer general integrated circuit project, among the seven people in the photo, Professor Luo Shaohua is known to everyone, this is the old dean of the School of Science, and Lin Lao is Lin Dong in the photo, as for the other five, Professor Lu Yuanming is no stranger to everyone, but he died many years ago, Many of the remaining four are unaware of their origins.

"This is Professor Yunmei, who was transferred to the Ministry of Aerospace Science and Technology in 1984 and died in an accident at the Northwest Aerospace Base in 1993.......

"I've heard about this, Professor Yun was our country's leading electronics expert back then, but I didn't expect Professor Yun to be a scholar from our Shimen University." A young associate professor interjected on the side, Lin Lao nodded to him slightly, because Yunmei later worked in a confidential unit, due to some reasons, the school did not publicize her later, but I didn't expect that there were still people present who knew about her.

"By the way, Lin Lao, who are these three ......?" No one expected that there would be a character like Yunmei in the photo, everyone was curious, and someone pointed to the remaining three people and asked.

Lin Lao looked at the remaining three people and didn't speak for a long time, just when everyone thought that Lin Lao didn't plan to continue the introduction, Lin Lao said: "This female comrade is Luo Yan, the daughter of Professor Luo Shaohua, she used to be the youngest associate professor of our Shimen University of Technology, and she is the leading expert in fuzzy mathematics in China. ”

This sentence made everyone stunned for a while, Professor Luo Shaohua's daughter? The youngest associate professor at Stonegate University of Technology and an expert in fuzzy mathematics? How did they not know about the situation?

"It's normal for you not to know her, because Professor Luo Shaohua went abroad shortly after Professor Luo Shaohua died, and now I don't even know where she is, and the reason why she went abroad is actually related to the other person in this photo."

"You mean...... Is this young man? There were sharp-eyed people in the crowd who noticed Su Yichen beside Luo Yan from the photo, especially when they found their hands holding each other, and couldn't help asking.

Lin Lao nodded silently, and then introduced Professor Wan Changchun and Su Yichen in the photo to them, for Professor Wan Changchun, although everyone has never seen it, Professor Wan's name in the physics community has still heard of it, not to mention that Professor Wan's sudden disappearance in the northwest was a sensational event, and it is still remembered by many people. But no one thought that the old man in the photo who was juxtaposed with Professor Luo Shaohua was Professor Wan Changchun back then.

Unexpectedly, in addition to Professor Wan, Lin Lao focused on introducing the little-known Su Yichen to everyone, and what surprised everyone was that the young man in this photo was not only the personal disciple of the old dean, but even Lin Lao's evaluation of Su Yichen in his words was unusually high, according to Lin Lao, if Su Yichen hadn't suffered an accident with Professor Wan Changchun and his whereabouts were unknown, then his future achievements would definitely surpass himself, and it was precisely because of Su Yichen's disappearance, coupled with Professor Luo Shaohua's death due to illness, Professor Luo Yan was disheartened, regardless of the retention of the school that year, and resolutely left his job to go abroad.

The past events of the year made many people present sigh, and no one thought that there were so many stories hidden behind this seemingly ordinary photo. After saying this, Lin Lao's spirit seemed a little sad and tired, and slowly left the showroom in everyone's persuasion, after Lin Lao walked, the middle-aged faculty member who was waiting outside stepped forward to clean the showroom, when he walked to the photo, he inadvertently looked up at the photo, only felt that someone in the photo looked a little familiar, but after thinking about it, he couldn't remember where he had seen it, and finally it could only be attributed to the illusion that Lin Lao told just now, and the middle-aged faculty member didn't care about it, and quickly left this matter behind.

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