If a recent college graduate finds a job, will he be able to take the lead as soon as he arrives at the job?

I believe that many college students must be full of ambition when they graduate and wear their bachelor's uniforms. They believe that after many years of endless learning, they can finally show what they have learned in their own jobs. The blueprint for the future will surely be drawn in the palm of your hand from this moment on.

It's a pity that the ideal is very plump, but the reality is very skinny.

When college students come to a new job, they will soon find that the real job is very different from what they learn in school. Even the best students in school are often at a loss in the initial period when they come to a specific job. They don't understand what employers are looking for of them, and they don't know how much they need to recognize the complexity and synergy of the work they are taking. Because real work is often part of a larger job. Different from working alone in school, in the workplace, it is more emphasized that one's work must be closely coordinated with others, and there is a strong possibility of compromise and compromise at the interface with each other.

What's more, what is taught in schools is more theoretical knowledge such as basic principles, while what can be learned in enterprises is content that is not found in textbooks, such as design processes, specifications, and empirical data. These contents represent the core competitiveness of an enterprise, which often belong to the company's own trade secrets, so it is difficult to learn in school. Therefore, the first lesson that college students learn in the workplace is that there are people outside the world, and there are heavens outside the sky.

And the old man Zhao Manhong was in front of Shen Yiyi and them, and he was obviously the person outside the world and the sky outside the sky. Don't say that Shen Yiyi and they haven't studied firearms systematically, because Tsinghua University is not an ordnance college, and it will not open such courses for students from that perspective; It's that Shen Yiyi and the others have studied firearms courses by themselves, and the gap between the things in the books and the knowledge and skills that Zhao Manhong has mastered through his immersion for most of his life, where is what these fresh students who only have a way to gnaw books can imagine.

No, Old Man Zhao directly overturned Shen Yiyi and Liu Yihao with the kind of cognition they learned in books, and instead gave an unexpected but reasonable answer.

"It's good that you can think of the problem that plagued the designers of so many firearms decades ago. But you underestimate the work of these designers who have worked tirelessly on the road of gun design over the years. And technological advances have long since made this problem no longer a problem. Old Man Zhao said very earnestly to these juniors who he admired very much.

Listening to Old Man Zhao's words, Shen Yiyi and Liu Yihao, the two most knowledgeable students, couldn't help but start thinking deeply. Although the old man left steps for the two of them in front, listening to his meaning, it seems that he has indeed forgotten an important issue. What could be the problem? Whether it is Shen Yiyi or Liu Yihao, they have begun to sort out the possible blind spot in their thinking at this time.

Old Man Zhao revealed the mystery this time.

"I'm not saying that heat dissipation isn't a mechanical problem anymore. This does not conform to the laws of physics. Because gunpowder when fired mechanically will release heat, this is the law of physics. It is also a law of physics that the barrel will be physically deformed after being heated. The material from which the barrel is made may creep at high temperatures, which is a physical law. We who do engineering can have all kinds of wonderful ideas, but the wings of such imagination will have a boundary. That's the law of physics. "The old man has already started the mode of teaching. And it is natural that these juniors around him who listen carefully to the class.

"Why, then, do I say that this problem is not a problem for the object of our application, the machine gun, since the physical law of heat is still at work? Am I talking out of thin air? Old man Zhao Manhong started his own path of solving doubts with a question, "I think you have already heard what I said just now." Naturally, I didn't ramble there. So what is the reason why I am so confident? That is, in the current machine gun design, the problem of heating the barrel of the machine gun has always been quite important. At the beginning of the design and refinement, the designers of the machine gun put considerable effort into the heat dissipation of the machine gun to ensure that the barrel of the machine gun was not severely deformed due to the continuous firing of the machine gun. Forced heat dissipation, such as water cooling or air cooling, is actually a problem that machine gun designers have considered when designing machine guns. ”

Hearing what Old Man Zhao said here, Shen Yiyi and Liu Yihao seemed to have thought of something. The two of them looked at each other for a moment, as if asking for each other's thoughts. They wanted to make sure they weren't the only ones who had come to mind at this moment.

However, Old Man Zhao Manhong did not give them much time to confirm this issue. Because he already wanted to end the topic soon. Don't you see that the staff on duty in the cafeteria are in a hurry to get off work and go back to rest?

So Old Man Zhao finally showed the mystery in front of the big guy: "And you know that the source of my country's military technology is the Soviet Union. One of the characteristics of Soviet armament was its durability. Why were Soviet weapons so solid and durable? This is because when our weapons and equipment are designed, the safety factor will generally be relatively high. Such a high safety system means considerable design margins. Such a design margin was no exception even on machine guns. ”

Having said that, Shen Yiyi and Liu Yihao could finally guess the meaning of Old Man Zhao Manhong's speech. Yes, what the old man means is that although there is no mistake, the machine gun will heat up, but people have fully considered the problem of machine gun heating at the beginning of the design of the machine gun. Even the machine gun itself is designed to dissipate heat much more than the normal heat of the machine gun. After subtracting and adding, the actual machine gun may not have the problem of heating at all in use.

What a simple truth. But this truth is unthinkable to people who are not familiar with this machine gun as the equipment of our army. Thinking of this, whether it was Shen Yiyi or Liu Yihao, or even the other boys, they were once again very glad that Mr. Zhao Manhong was able to help his research group here. Although the initial reaction of those people was not as fast as Shen Yiyi and Liu Yihao, they all came to this point, and they all understood what Old Man Zhao was talking about. After all, they are all high-talent students of Tsinghua University, and it is inevitable that they will know each other quickly, but compared with ordinary people, these students are also the top among students, and they are definitely not stupid.

However, Shen Yiyi was still a little uneasy at this time. After all, this problem has been bothering her for a while, and she still can't believe that she is so easily said that there is no problem. So she couldn't help but ask Old Man Zhao Manhong a question at this time: "That...... Zhao Lao...... If the machine gun was designed with enough margin for heat dissipation, how can we be sure that this margin will be sufficient to cope with the heat emitted by our entire electronic control system? Moreover, if the machine gun is operated in a tropical environment, won't the so-called design margin be eaten up by the ambient temperature? ”

Shen Yiyi's question once again surprised Old Man Zhao Manhong. This is not a question that the average student would think of. That's something that only people who have a certain understanding of military affairs can think of. Moreover, there is actually a deep military quality behind such problems. This made Old Man Zhao can't help but think of a question, that is, Shen Yiyi, this girl is not an ordinary girl. It seems that the back of this girl is not simple.

Old Man Zhao thought of this, and asked Shen Yi together: "This question is not bad." That classmate Shen Yiyi, your family is from a military background, right? What does your dad do? Old man Zhao believes that such a student must have such military literacy or military common sense, in the case that Shen Yiyi is not a military cadet, there is only one possibility, that is, there are soldiers in Shen Yiyi's family, and this soldier must have a certain level of looking at the problem.

Zhao Manhong is a technical nerd in the army, and he often only has weapon technology in his eyes, so he doesn't spend much time on foreign affairs. If he had spent more time inquiring or getting to know each other, he would definitely have been able to find out that Shen Yiyi and them had come to the army this time, and it was Deputy Commander Shen Jianguo who greeted him. As long as he thinks a little more, he will definitely be able to see the clue from the fact that Shen Yiyi's surname is the same as the surname of Deputy Shen's memorial. It's a pity that Old Man Zhao didn't think about it himself.

Then again, Shen Yiyi and her father really don't look very similar. Unless ordinary people know the inside story, they see Shen Yiyi for the first time, and then look at Deputy Commander Shen, they should not have thought that Deputy Commander Shen, who is five big and three thick, would have such a little daughter of Zhong Lingyuxiu.

Shen Yiyi didn't expect that Old Man Zhao Manhong would suddenly ask this question. Is there any connection between this question and the question I asked earlier? Shen Yiyi didn't figure it out himself. However, I still have to ask others at this time, and out of politeness, I must also have a timely response to the old man's questions. Otherwise, it's easy to think that this girl doesn't know how to be polite.

Of course, Shen Yiyi will not really answer this question concretely. There is no need for this. So Shen Yiyi replied very simply: "Yes." My dad was a PLA officer. By the way, he nodded his head to strengthen his tone.

Old Man Zhao was very happy to see that Shen Yiyi confirmed his guess one by one. This shows that his inference is still reliable. Sure enough, only girls from military families have such military acumen. Of course, as a soldier, he was also happy and proud to have such an outstanding figure in his army.

After answering his own questions, Old Man Zhao will not delve into this issue. He was not a person who drilled the camp in the first place, so it was okay to know that Shen Yiyi's father was a soldier or an officer. He asked this mainly to answer his own questions, and he didn't want to have a relationship or anything. So then he began to answer Shen Yiyi's question.

"You're right. Indeed, in the tropics, the initial design margin is eaten up by the ambient temperature. However, as I said earlier, the influence of ambient temperature on heat dissipation was one of the main considerations of designers at the time. Therefore, the machine gun that comes standard alone has its own version in different regions. For example, if you are fighting in the northern region, the cooling of the machine gun is usually natural cooling, or forced cooling such as air cooling. And when fighting in the tropics, the machine gun is water-cooled. Therefore, the heat dissipation coefficient of this machine gun in the tropics was larger than that in the north. As for the other question you mentioned, that is, whether the design margin is enough to cope with the heat generated by these electronic control systems......" Speaking of this, Old Man Zhao glanced at Shen Yiyi and asked, "Since you asked this question, I want to test you, have you ever thought about how much heat will be generated in your electronic control system?" Also, what kind of temperature can your electronic control system work at? If you want to calculate the heat dissipation by yourself, you should have calculated it. ”

Shen Yiyi heard the question asked by Old Man Zhao one by one, and he couldn't answer it for a while. Although she foresaw that the "Terminator" would have heat dissipation problems to consider after the completion of the integration, she originally only planned to analyze and calculate a result in detail when the issue was discussed in the future. She didn't expect that Old Man Zhao would ask herself this question directly on such an occasion. She was speechless for a while, and turned her head to look at Liu Yihao.

Liu Yihao saw Shen Yiyi's gaze and guessed in his heart that Shen Yiyi might not be able to answer the question at this time. He thought, did Shen Yiyi want to ask himself for help? But I didn't prepare for this question beforehand, did I? He had the audacity to tell Old Man Zhao on the spot.

"That...... Zhao Lao...... Let's roughly do the math. I estimate that the power of the whole system is about 400W. Liu Yihao roughly added one plus to the indicators of each part of his subject in his heart, and gave an electric power. (To be continued.) )