A guard with a loaded gun stood beside the car. He had a strong figure and exuded an elite aura.
It's this car again.
When Yu Hua saw this familiar Buick car, he had some vague speculations in his mind. This Buick car seemed to be related to his master Hua Luogeng's recent rather mysterious life rhythm.
These days, Master Hua Luogeng basically stays in his study studying things. Even in class, he mostly lets Yu Hua study by himself, with very little time for lectures.
I don’t know what Master is studying recently.
Yu Hua thought silently in his heart and walked towards room 28.
"Who is it?" Seeing Yu Hua coming over and approaching the three-meter warning range line, the guard soldiers standing guard immediately became vigilant and asked.
Yu Hua was about to report the situation: "Hello, I am..."
"Squeak!" At this moment, the door of the house suddenly opened, and the figure of Mrs. Wu Xiaoyuan appeared, standing at the door.
"He is a student, let him come in." Wu Xiaoyuan had a gentle smile on his face, nodded towards Yu Hua, and explained.
"Yes!" After hearing Wu Xiaoyuan's words, the guard put down his guard and motioned for Yu Hua to come in.
"Thanks."
Yu Hua thanked him softly, passed over the guard soldier who exuded an elite aura, and entered the house under the guidance of his wife, Wu Xiaoyuan.
Entering the house, there was a middle-aged soldier in military uniform sitting in the main room, and sitting next to him were two other men in Chinese tunic suits, one middle-aged and one young, well dressed, exuding a modern flavor.
What's going on?
Yu Hua habitually observed the situation in the main room and quietly looked at the three people sitting on the sofa. Seeing this posture, he felt a sense of doubt in his heart.
While Yu Hua was observing the three of them, the three of them were also watching Yu Hua.
The middle-aged soldier in military uniform had curiosity in his eyes, while the other two men in Chinese tunic suits exuded a faint air of scrutiny.
"Xiaohua, we have a guest at home. You should go to bed and rest first. Don't make any noise. Your master is busy in the study and won't come out until later." Wu Xiaoyuan, who was walking in front, stopped and made arrangements for Yu Hua.
road.
"Yes, student, go now." After hearing this, Yu Hua nodded and looked away. He did not curiously ask about the identities and purpose of the three people in the room, and walked to the second bedroom in a dignified manner.
Ask what you should ask, and don't ask what you shouldn't. This is the basic rule of conduct in life, and it is also the principle of doing things outside.
"Bang!" The door of the second bedroom closed gently, and the room returned to silence.
"This is Luo Geng's apprentice, named Yu Hua. He comes to study every Friday. I believe the other two should know something about it. I'm going to cook first." Wu Xiaoyuan briefly explained to the three of them after Yu Hua entered the second bedroom.
Ichiban.
"Sister-in-law, please go."
Zhang Zizhong, who was sitting on the sofa, nodded and smiled, showing a kind look.
When the two people affiliated with the Secret Service heard these words, they immediately understood Yu Hua's identity and nodded lightly. The scrutiny in their eyes disappeared. After understanding and investigation, Hua Luogeng did accept an apprentice after returning to China, named Yu Hua. Every week
People from five cities come to Tsinghua University to attend classes and study at the West Campus.
It was an expected thing to bump into each other today.
Wu Xiaoyuan didn't speak much. With a smile on his face, he turned and walked into the kitchen and began to get busy preparing dinner.
Second bedroom.
It's snowy outside the window, and it's warm and comfortable inside.
"This middle-aged soldier should have a very high status. If nothing else, he belongs to the general level. As for the other two people wearing Chinese tunic suits, they seem a bit like the Blue Clothes Society Secret Service, the predecessor of Juntong. The reason why they came to see the master is
What? Forget it, there is no point in thinking too much. I am not qualified to touch these things yet. I will know when I know them. "
Yu Hua came to the desk, pulled up the stool and sat down, put down his schoolbag, thought about it silently, and shook his head gently: "There is still time, let's have a snack."
Before the master came out, he took out the "Real Variable Function" textbook he carried with him from his schoolbag, placed it on the table, and turned to the differential theory section.
Yes, these are Yu Hua’s snacks.
The main meal hasn't come yet, and I'm bored waiting for the time. It's okay to have a snack to satisfy my hunger.
Real variable function theory is a further development and evolution of calculus. It is based on point set theory and specializes in studying the properties of sets formed by points. In human terms, it is a function whose independent variable takes a real value. This is the second highest mathematical skill.
Mathematical weapons, mastering the theory of real variable functions, means that Yu Hua is one step closer to real mathematics and establishing a thinking finite element analysis system.
Yu Hua didn't care why these people came to see his master Hua Luogeng. As he learned and accumulated more and more knowledge, he would know these things sooner or later.
With knowledge, there is everything.
Immersed in the ocean of mathematics full of the beauty of logic and rigor, Yu Hua silently enriched himself.
Time passed slowly and unconsciously.
Inside the hall.
The sound of cooking in the kitchen echoed in the main room. Zhang Zizhong and Tian Hong, the head of the Peking City Secret Service, were waiting quietly, with calm faces and holding their breath. The young man sitting next to him seemed a little anxious and glanced towards the study from time to time, wanting to talk.
, but stopped.
Today is undoubtedly an important moment for them. After more than 20 days of collection, the Secret Service finally obtained six Japanese dialects, including dialects from Hokkaido, Osaka, Hiroshima and Nagasaki.
But I don’t know if it meets Hua Luogeng’s requirements.
"Squeak!" Suddenly, the study door opened.
In an instant, Zhang Zizhong and Tian Hong stood up and faced the figure standing at the door of the study. The young man was stunned when he saw this. He thought it was normal for him to be unable to hold his breath, but he did not expect that his own director and General Zhang were also like this.
Get up quickly.
"Sir, how is the situation?" Zhang Zizhong came to Hua Luogeng and asked softly.
Tian Hong and the young man focused their eyes on Hua Luogeng, their eyes full of expectation.
Hua Luogeng, who smelled of cigarette smoke, with bloodshot eyes, said: "One is good and one is bad, which one should I listen to first?"
"Okay." Zhang Zizhong replied immediately.
Tian Hong nodded quickly without any objection.
Hua Luogeng stared at the three people and lowered his voice: "If nothing else, the producer of the red secret should be a Hiroshima native. The language code sample has basically been found, but I need more Hiroshima dialect information, mainly words."
"What about the bad ones?" When Tian Hong heard this, he felt happy. It was a good thing to have a breakthrough. He did not dare to ask Hua Luogeng to immediately decipher Japan's latest upgraded red secret system and quickly asked for the bad news.
Zhang Zizhong and the young man also breathed a sigh of relief.
"Because the Hiroshima dialect is very cumbersome and unfamiliar, the workload of the frequency analysis attack method has increased again. It may take 110 days for me to decipher it once."
Hua Luogeng's voice was a little heavy and he looked at Zhang Zizhong and Tian Hong: "Is there any news about the university professors you were asked to look for last time?"
"We have looked for national Peking University, private Nankai University, and Beijing Normal University... but there is not a single university professor who meets your requirements."
Hearing Hua Luogeng's words, Zhang Zizhong and Tian Hong looked quite ugly and shook their heads. After more than 20 days of running around, no qualified university professor could help.
There was no other way. The reputation of the Secret Service was so bad that Zhang Zizhong, who was born in the military, was looked down upon by some old scholars.
Another point is that the university professor Hua Luogeng is looking for must be engaged in the field of number theory research. There are really only a handful of arithmetic professors engaged in number theory research in China.
Is there any?
have.
But not invited.
Not to mention the distance, the Secret Service and Zhang Zizhong were not qualified enough.
"..."
When Hua Luogeng heard this answer, he shook his head slightly. He was not surprised. These days, he had visited his mentor Yang Wuzhi and department director Xiong Qinglai. It was fine at first, but when he heard that he was working for the Secret Service, Hua Luogeng had not yet come to introduce him.
The importance and significance of the job were immediately rejected.
From the perspective of these professors, they are university professors, not accomplices working for the Secret Service.
The real situation made Hua Luogeng quite powerless. Even his mentor Yang Wuzhi refused to help him, let alone other mathematics professors in Tsinghua University.
"In this case, you go back first, and I will think of a way. Remember, we must collect as many Hiroshima dialect words, slang and local dialects as possible." Hua Luogeng took a deep breath and said.
"good."
Upon hearing this, Zhang Zizhong and Tian Hong nodded, expecting in their hearts, and did not continue to disturb Hua Luogeng. The three of them left one after another. It was very good to get this good news today.
"Buzz!" As Hua Luogeng watched, the three of them left the house. After a while, the roar of the Buick engine sounded and gradually faded away.
At this time, Wu Xiaoyuan, who was busy in the kitchen, came out wearing an apron. When he saw Hua Luogeng who looked haggard at the door, his eyes hurt: "Are you done?"
"Well, by the way, Yu Hua is here, right?" Hua Luogeng came back to his senses, turned to look at his wife Wu Xiaoyuan, showed a gentle smile, and nodded gently.