For Chen Chen, who was used to seeing international metropolises, Windhoek was like a backwater village. Everywhere he looked, there were small buildings of two or three stories tall. There were only a few skyscrapers that barely met international standards a few hundred meters away.
The reflection came from the top of one of the tallest commercial buildings in the city.
At this time, the reflection flickered constantly, like a cold, murderous star in broad daylight.
Chen Chen still remembered when he was in junior high school, his teacher once used an analogy: If you stood by a lake and looked down at the lake water beneath your feet, you would find that the water was transparent and the reflection of the sun above your head was not strong.
However, if you looked at the surface of the lake from a distance, you would find that the lake water was not transparent. Instead, the reflection would be very strong, so strong that it was difficult to open one's eyes.
This was the Fresnel effect.
The so-called Fresnel effect was the relationship between the reflection and the angle of the line of sight. Apart from metals, all other substances in the world had varying degrees of the Fresnel effect.
Chen Chen relied on this effect, in addition to the location and angle he had specially designed, to make it impossible for the sniper who was trying to assassinate him to hide.
[The target is 15 ° above my line of sight. If you consider our positions as two points of a right-angled triangle, the internal angles of the triangle are 15 °, 75 °, and 90 °.]
90°。】
[Let the sides corresponding to the three angles be a, b, c. Given that the distance between the podium and the commercial building is 560m, that is, b = 560, then a = 560tan15 ° = 560 (2-√ 3) = 150, according to the Pythagorean theorem, c = √ (a ^ 2 + b ^ 2), that is, c = 580.]
[In other words, the straight-line distance between me and the target is 580 meters.]
[There's a parapet on the top floor of the building, which means that the sniper has mounted his sniper rifle on the parapet. Therefore, the moment the shot is fired, the sniper's scope will generate a huge recoil, causing the reflection to disappear. Therefore, the moment the reflection disappears is the moment when the sniper's bullet is fired.]
[The current wind direction is northwest. For a sniper, it is full speed wind. The wind force is level 3 and the wind speed is about 4.5 meters per second. A large-caliber sniper bullet shooting at a target 580 meters away is converted into a minute angle equation: range/100 x wind speed (kilometers per hour)/constant 14. The minute angle obtained is 6.]
[At the same time, a qualified sniper would aim at my chest instead of my head. This is because the chest is bigger, and the chance of movement is smaller. After all, with the power of a sniper rifle, the effect of hitting the chest and the head is exactly the same. According to the minute angle compensation, the opponent is aiming at my right chest. After the bullet is shot out, it will hit my left chest, which is where my heart is. I just need to move 20 cm to the right to dodge the bullet.]
[But just to be on the safe side, I'd better move 25 cm to the right.]
[I know that the bullet speed of a sniper rifle is 800 to 900 m/s, which means that the moment the reflection disappears, I have 0.644 to 0.725 seconds to dodge. However, I also need to take into account the delayed effect of the recoil, which reduces the time to 0.5 seconds.]
[But it's enough …]
All these calculations seemed to take a long time. In fact, from the moment Chen Chen noticed the reflection until now, only four seconds had passed.
Four seconds later, Chen Chen sent out the opponent's location information by tapping on his phone.
"Everyone, the future can be said to be dominated by nuclear power plants. As a clean energy source, the advantages of nuclear power plants are several times greater than thermal power plants. It won't cause any environmental pollution. At the same time, because our company uses the world's most advanced third-generation nuclear power plant technology, the probability of an accident occurring is equivalent to..."
Just as Chen Chen uttered the words "equivalent to" with great enthusiasm, in his peripheral vision, he saw the white reflection suddenly disappear!
[Now!]
Chen Chen smiled and spread his hands, taking half a step back. However, when he took a step back, he seemed to trip. His body lost its balance and he staggered 25 cm to the right.
"Whoosh –!"
Almost at the same time, an ear-piercing whistle swept past Chen Chen's left side. The violent airflow tore through Chen Chen's clothes and left a bloody groove on his left arm!
At this point, there was a burst of exclamation from the audience. Several brawny men in black suddenly rushed to the podium and shielded Chen Chen behind them.
...
"No problem, it's just a slight scratch."
Back at the embassy, a Chinese doctor was treating Chen Chen's wound with iodophor and cotton swabs without any expression on his face.
Most of the members of the expedition team were gathered around Chen Chen, including Qian Wenhuan, Zhou Jing, Wang Liang, as well as Anthony who was in charge of the business negotiations and Jennifer, the legal consultant, as well as their subordinates.
"Will it be inflamed or infected?"
Qian Wenhuan had a look of lingering fear. He asked the doctor, "Doctor, is there anything I need to pay attention to after being shot, like not eating spicy or oily food?"
"Just drink more hot water." The doctor rolled his eyes at Qian Wenhuan, then packed up his things and left the room with the medical kit.
"I didn't expect the opponent to be this crazy."
Wang Liang frowned. "We didn't offend anyone in Namibia. Why did we get a flat tire and assassinated?"
"Say no more, get ready to pack up."
Chen Chen rubbed his arm expressionlessly, picked up his coat, and headed outside. "Wenhuan, book the next flight."
"... Understood!" Qian Wenhuan opened his mouth as if he wanted to say something but agreed in the end.
"Where are we going?" Wang Liang asked, puzzled.
"Leaving Namibia, of course." Zhou Jing rolled her eyes at her colleague and followed him out of the room.
"Wait, Mr. Chen Chen!"
However, before they could walk out of the embassy, a group of people from the investment department immediately came to greet them. Not only Lydia, but Chicuhele was also among them. In addition, the leader was a white-haired old man.
"Mr. Chen Chen, please wait a moment!"
Lydia said in a panic, "This is our fault. We didn't expect the other party to be this crazy, you..."
"What else is there to say?" Chen Chen walked past them. "Let's just leave it at that."
"Mr. Chen Chen, listen to us..."
Chicuhele also hurriedly tried to persuade him to stay. "There's a saying in Zhongzhou: Yo friends come of their own volition, no matter how far they are... Oh no, not according to the moon, rather be our guests, we..."
Chen Chen still did not stop.
No matter how much these people tried to persuade him to stay, Chen Chen was already walking out the door.
"Please wait a moment, Mr. Chen Chen."
However, at this moment, the old man in the lead suddenly spoke.
"Mr. Chen Chen, this is Mr. Bajifei Zurama, the minister of our investment department and also the Ministry of Mines and Energy!" Lydia on the side suddenly reminded.
Chen Chen stopped in his tracks. "Minister Zurama, please forgive my rudeness. Is there anything else you'd like to say?"
"I'll just say one thing."
The old man looked at Chen Chen steadily and said in a loud voice, "Under the condition that all other conditions remain the same, our Namibian government is willing to give you a three-year tax exemption and a five-year tax reduction policy to make up for your losses today. Are these conditions enough?"
Chen Chen turned around completely and frowned. "This won't affect the original preferential policies of your country, right? If that's the case, please forgive me for not accompanying you. "
"No, I guarantee it with my position as minister." The old man nodded.
Hearing this, the corner of Chen Chen's mouth finally curled up into a smile. He reached out and shook hands with the old man in front of him.
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