Demon Development System

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When Li Zheng took the elevator to the 16th floor and entered Mum Lin's house, he was finally able to put down his suitcase and end his journey of oxen.

The only feeling this sea view house gave him was "emptiness".

The living room is about three times as big as my own living room. Except for the sofa, dining table, and TV, there is only one dehumidifier. With white floor tiles and white walls, there is a feeling that Jiang Qinghua should meditate here.

"Um." Lin Yujing flew to the sofa and stretched his arms. "Finally, I'm exhausted."

"There is also a face saying that a person like you should have become fatter than Zhang Xiaoke." Li Zheng scolded his backpack and walked to the floor-to-ceiling windows of the townhouse. He crossed a few kilometers of forest belt at a glance and locked the statue. Steel giant.

Li Zheng suddenly fascinated, opened the glass door and went to the balcony.

Even at sunset, the launch pad is also clearly visible.

It is conceivable that in a few days, it will become the brightest place on the island.

Maybe it will be the brightest place on the whole earth.

In this dazzling light, the Yellow River 2 will take off, then adjust the angle, accelerate towards the deep space above the Pacific Ocean, and separate in steps until it completes its mission and sends the "Practice Six" technology test satellite into the sky. Geosynchronous orbit.

Even if this hasn't happened yet, Li Zheng just stood here on a whim.

But still can not control his eyes.

Originally it was time for emotions to fill up, and suddenly a "huh" came from the side.

Li Zheng wiped his eyes busy, but don't be seen.

He then turned his head.

Just about to talk, I saw that Lin Yuejing had been crying into a mess.

"Finally, it's launching...Hmmmm..." She choked her mouth and looked at the launch pad. "For the 14-ton geostationary satellite capacity, it has been ten years...it has been paying ten years..."

"Don't cry like this..." Li Zheng squeezed herself quickly, "I want to cry if you cry like that."

"What are you doing?" Lin Yuejing wiped his eyes. "For this capacity, they gave up their previous mature technology and nibbled out the cryogenic liquid bundling technology from scratch. The number of trials from beginning to end is more than you did. There have been more papers."

"Um... I'm not lifting the bar, such a thing as a roll, I have to make 5000 copies."

"Get up!"

"Haha." Li Zhengfu smiled on the balcony. "But, this view is now perfect. Is there really a better place to watch?"

"Yes, it's..." Lin Yuejing stopped talking and wiped away her tears and smiled. "Good scum, you have been obedient and obedient these two days. Only then can you be taken by."

"Oh, boring, this is enough for me."

"Huh, there is even a clear view of the arrows on the body."

"Funny, so close to let in?"

"Let's get in, and only a few people know."

When Li Zheng heard this, he felt really itchy and asked, rubbing his fingers dumbly.

"Then...what do you want to eat at night..."

"fish!"

"What fish?"

"Big fish!"

"..."

...

Because it was too late, I missed the evening set in town, and there was nothing new in the supermarket. In the end, the two found a Northeast restaurant outside the community.

Not that they like the Northeast Pavilion much, mainly because they have no choice.

They found out that there may be more Northeast people here than in the Northeast.

Fortunately, the boss was enthusiastic and the dishes were smooth. The two sat at the table in the open-air plaza and ate them slowly with the sea breeze blowing.

Once you enter the local rhythm, there will be an inexplicable leisurely, do not worry about what to do, daze is also excellent.

The old man of the library said it well. For busy people like Lao Li and Ning'er, it may be difficult to have such a leisure day all year round.

Lin Yuejing was so idle that he didn't even bother to talk.

She chewed the sweet and sour tenderloin piece by piece, shaking towards the coconut grove across the road.

"Um—Um—Um—”

Not to mention, this is still very rhythmic.

Even Li Zheng rarely asked for a bottle of beer, and occasionally flirted with joy.

Instead, there was a big table next to him, chatting lively.

It seems that two retired couples from the same country, each with their grandchildren and granddaughter here on holiday, complained while eating and drinking.

"Oh... I said that there were rocket launches in two days... This person has a lot more at once." A bald uncle sighed.

The uncle of the glasses across the glass smiled and said: "Haha, isn't this a good thing, let the children look at it."

Uncle Bald only shook his head: "But we are too close to the launch site, you think, what should we do if the rocket hits us in case of an accident?"

The fat aunt next to him frowned and said, "Look at you, crow mouth, bah! bah!"

"Yes." The aunt opposite the eyes said, "If there is such a bad thing, it is also dangerous for their launch center to have an accident."

"That person is doing that, and there is already a risk, but we are here to buy a house to hire someone..." Uncle Bald complained with a mouthful of dishes, "My son, too, has to buy it here, who knows that there is this next to him A big thunder."

Uncle Glasses raised his hand and said: "Hi, old Deng, you must be really worried. We took our children to the city that day. There was always nothing in the city. I haven't heard of rockets flying into the city."

"Don't go, don't go!" The little boy sitting next to him suddenly shouted, "It depends on the rocket!!"

"I also want to watch the rocket!!" The little **** the opposite side also shouted.

"Yuanyuan, what are you doing?" Uncle Bald turned around and patted the little girl. "Do you know why the rocket launch was chosen here?"

"why?"

"Because there are few people here, you see, the other side is still the sea, so that the rocket explodes to minimize the loss."

Uncle Bald's words just fell.

"puff!"

A young man across the table sprayed beer all over the place.

Under the watchful eyes of several people, Li Zheng raised his hand to cover his face, and his expression was very strange.

"What's the matter, lad?" Uncle Bald smiled with a probe. "Don't you drink alcohol?"

"It's okay, it's okay..." Li Zheng covered his mouth, "Chucked."

A table of people smiled without saying much.

But the little boy was still unwilling to take pictures of chopsticks and began to protest.

"Rockets go to space, not from us, they won't explode."

"Pudding, you are young, don't understand." Uncle Glasses persuaded, "The rocket launch site, either in the desert or in the forest in the mountains, is because it is too dangerous. We can't watch the same on TV?"

The boy is still not happy: "I'll watch it here!"

"Okay, then you can watch it here." Uncle Glasses smiled. "Then the launch pad fell, and the rocket slammed into you. We won't accompany you."

"...Fool! The launch pad will not fall!" the little boy shouted.

"It won't fall!" the little girl shouted.

"It won't fall!" Lin Yuejing shouted.

"..."

The scene fell into stagnation.

Even Li Zheng froze.

Even if it sounds uncomfortable, you can't commit to join the children's team.

"Relax." Lin Yuejing turned to look at the little boy and the little girl. "Every day, the uncle and aunt will repeatedly check the launch tower. It is absolutely impossible to have problems. Even if there are sudden storms and earthquakes, there are ten lightning bolts on it. There can be no problems."

Finished!

I really joined the kids team.

The two children were instantly inspired.

"Correct!"

"Sister said, there will be no problems!"

"Who is she, you believe her?" Uncle Bald frowned at Lin Yuejing: "How do you know? Who are you?"

"Ji University Physics Department, Department of Astronomy, SINOCHEM Carrier Rocket Technology Research Institute, No. 3 Group, a ballistic design intern graduate student, Chen Wei." Lin Yujing picked up the drink lightly, sipped, and raised his eyebrows, "Nobody Know rockets better than I do."

The scene froze again.

Li Zheng is the most ruthless one.

Guru Guru spit out a big title, without changing his face and heartbeat,

Is it so sturdy?

A table next to him obviously didn't understand her title.

But it was successfully bluffed.

A moment later, the bald uncle Zhiwu Wu said: "Then you talk about why did you choose the launch site here?"

"Get the maximum inertia speed and save fuel."

"What?" Uncle Bald's eyes widened, "Don't talk casually, teach children blindly."

"Well..." Lin Yuejing waved at Li Zheng, "Dr. Li Yi, you say it."

"..." Li Zheng fell into a terrible moment.

When it was over, it was dragged to the children's team.

But the matter has come to this point, he has only come hard.

Li Zheng coughed his throat and said very politely: "This...Uncle, your explanation of the child just now is indeed not very comprehensive, and part of it is misleading. The launch site is set here. The primary basis is based on physical considerations. ."

Seeing that Li Zheng spoke with a nose and eyes, the bald man also said nothing for the time being, and the two children were full of expectations and listened.

Li Zheng swept around and soon found a ball next to the boy's stool. He picked it up and borrowed it.

"I will try my best to understand the elementary school students." Li Zheng lifted the ball and turned it in his palm. "The earth will rotate like this, do you know?"

The little boy and little girl nodded immediately.

"Okay." Li Zheng said, picking up chopsticks, dipping his beer, and casually ordered a small spot in the "Northern Hemisphere" of the ball. "Then we assume Yuanyuan is here. This is probably the location of Jijing."

Then he clicked on the ball's equator: "This is where Wen Hai is, and the pudding is here."

"Then, you are all smart children, knowing that the earth must rotate at all times." Li Zheng then turned the ball again, dipped his beer with chopsticks, and drawn the trajectories of two points for one revolution, which is actually Above is two latitudes, a pair of concentric circles.

"Now, the earth has rotated one week." Li Zheng showed the ball to the two children. "Can you tell me that Yuan Yuan has turned more or pudding more for such a long time?"

"Pudding!" Yuan Yuan raised her hand. "The pudding circle is bigger."

"Very good." Li Zheng nodded and smiled, "So we can know that in the same time, pudding turned more than Yuanyuan, so who would turn faster?"

"I!" Pudding raised his hand excitedly.

"So, even if standing still, pudding's initial speed is already much faster than Yuanyuan." Li Zheng's hand pointed at the small point on the equator. "The rocket is launched from pudding and it will be there as soon as it comes up." A lot of speed, we can use less fuel to send rockets into space, aren't you good?"

"Wonderful!" the two children applauded and exclaimed.

"Hahaha!" Li Zheng looked at the two excited children and was naturally happy. "So, this is the advantage of the Wenhai launch satellite. It can be said that the South China Sea is basically the most advantageous place for China to launch rockets. The most important reason we chose here is to use less fuel and transport heavier satellites into space. Now that you two know this, you have become a physics expert and you can talk to your classmates when you go back ."

The little girl blinked her eyes at Li Zheng and asked, "Brother, are you a physicist?"

"It's still early...I learned a lot..."

"Understood, Grandpa?" the little boy said to the bald uncle. "It was chosen to be launched here because of the laws of physics."

"Go, I've understood it for a long time..." Uncle Bald scratched his head and asked, "Isn't it going to the south faster, why don't the launch site let Sanya go, what does Fang Wenhai do?"

Li Zheng answered immediately.

"The direction of the earth's rotation is from west to east. This time, a geostationary satellite was launched, and it remained stationary with the ground as the earth rotated. Therefore, it should also be launched to the east. The sea area controlled by the East of the Wenhai is uninhabited and convenient for recycling."

"As for Sanya, in case of an accident, the rocket has a very low probability of landing in a residential area in the south of the South China Sea."

Uncle Bald sipped his drink and couldn't tell anything.

But the uncle of the glasses came to be interested: "Then I would like to ask one more question. How much influence will it have on the speed and fuel of Jijing and Nanhai?"

"This... wait for me to calculate it." Li Zheng raised his head, his eyes narrowed, and said after a full half second, "I just estimated that the speed of Jijing line is about 370 meters per second, and Wenhai is about At 460 meters, the fuel saving is about 12%. It is precisely because of this 12% that Huanghe 2 can become China's largest carrier rocket."

"Ah." Uncle Glasses exclaimed. "It's completely understood this time. Thank you, boy."

Although the bald man on the opposite side was a little reluctant, Li Zheng spewed out a series of truths that even he could understand, he could not refute.

"Then... the young man..." Uncle Bald asked, scratching his face. "That is to say, the rocket was launched towards the sea. Even if there is a problem, it will fall into the sea. Our community must be fine, right?"

"Sure, sure, certainly nothing." Li Zheng smiled, "The Wenhai launch site is a multitude of choices, and the design and construction team is also the most sophisticated in China. You may not care, but for children, a lifetime can It’s not easy to catch up with the development of aerospace. It’s actually a physical enlightenment for children to take a look. I also have no children, otherwise I will have to hug and watch the full moon.”

"Let's go." Uncle Bald took pleasure, picked up two beer bottles and walked to Li Zheng's side. He gave Li Zheng a bottle and raised his hand. "Let's not go, watch the rocket launch!"

The two children jumped up immediately.

Uncle Glasses also got together to have a drink.

When Li Zheng returned to his seat, he was already confused.

However, he found that Lin Yuejing was covering his face with a smirk, and his face was even worse than himself.

Li Zheng smiled with his mouthful of vegetables: "Why, you know you panic now?"

"Why do you panic?" Lin Yujing said softly, "You are really patient with giving lectures to children..."

"Hi, idleness is also idleness."

"Don't you hate children and don't want them?"

"Yes, it will affect learning."

"Cough..."

"Why are you laughing?"

"It's okay." Lin Yujing quickly picked up the cup. "I'll take a sip~~"