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Text Chapter 1507 It¡¯s that song again

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    Yang Luo said softly: "Remember!"

    Bing Yaxuan lay on Yang's shoulder and murmured softly: "It was raining heavily that night, and it was like this. You carried me and I sang to you"

    Having said this, Bing Yaxuan tightened her arms around Yang Luo's neck: "Brother Yang, let me sing you another song."

    "Yeah!" Yang Luo snorted.

    "The full moon on the fifteenth day sheds soft blue light, just like your gentle hand caressing my face. The bleak autumn wind blows away a tear, and the withered yellow leaves drift away with your leaving back. Thousands of past lives  It takes a hundred times of looking back in exchange for passing by each other in this life, and how many reincarnations of practice you and I have to go through to exchange for this encounter in this life"

    Yang Luo carried Bing Yaxuan on his back, stepping on the last beautiful touch of the setting sun, letting the moist sea breeze blow up Bing Yaxuan's long hair and fall on his face.  The song I sang that night, the familiar melody, the familiar voice, is still beautiful and beautiful

    Back at the regiment headquarters, Yang Luo wanted to send Bing Yaxuan to the medical room for a checkup, but Bing Yaxuan refused, so Yang Luo had no choice but to carry her back to the dormitory.

    When Cao Huiyun saw Yang Luo carrying Bing Yaxuan back, he suddenly became anxious: "What's wrong? What happened?"

    Yang Luo put Bing Yaxuan on the bed: "My foot is twisted!"

    Cao Huiyun hurriedly squatted down to check Bing Yaxuan's feet.

    Bing Yaxuan retracted her feet: "It's okay, it doesn't hurt much now." Then she looked at Yang Luo and smiled sweetly, "Thank you, Brother Yang."

    Yang Luo glanced at Bing Yaxuan's feet, and then looked at her face. At this time, how could he still not know what this girl was up to? He could only shake his head helplessly, but did not expose it, lest Bing  Yaxuan was embarrassed.

    "You rest, I'll bring you food." After saying that, he walked out.

    The next day, the female soldiers stood upright on the training field. Shi Zheng, the commanders of the second and third companies, and many male soldiers were also there. They all looked at a mortar next to Yang Luo with confusion, and four other soldiers.  shells.

    Yang Luo looked around and said in a deep voice: "As a special forces soldier, you must not only be familiar with various types of guns, but also be proficient in using various mines and explosives to lay out minefields, and of course various artillery pieces. I will tell you about it today.  , How can one artillery fire allow four shells to land at the same time to cause maximum damage to the enemy? "

    After hearing this, everyone looked at Yang Luo in disbelief. Is this a joke?  Use a cannon to land four shells at the same time.

    Yang Luo then said: "Do you feel weird?"

    A group of little women nodded at the same time, and Yang Luo said: "I can tell you that this is not a fantasy Everyone knows that the trajectory of a cannonball is a parabola. Different parabolas point to the same coordinates. The only difference is that the time of arrival of the cannonball is different.  , there is a time difference in between, and it is not difficult to make four shells land at the same time as long as it is accurately calculated."

    After Yang Luo finished speaking, he pointed to a small hillside two kilometers east, which is another shooting range of the special forces group.  You can clearly see a circle of stones placed on the hillside.

    "Did you see the coordinates set out with stones?"

    ¡°I saw it!¡± the female soldiers shouted in unison.

    Yang Luo nodded, squatted down, positioned the mortar, then picked up two shells with both hands and put one of the shells into the barrel. He heard a loud noise and the shells shot out with a sharp whistling sound.  Then Yang Luo quickly adjusted the position of the mortar and put another shell into the barrel.  Then he adjusted the mortar position twice in succession and fired the remaining two shells.

    "Boom!"

    The target burst into flames, and four shells hit the target at the same time. Everyone's mouths opened wide and their eyes widened.  Bing Yaxuan, who was standing not far away watching the excitement, had admiration shining in her eyes, and her delicate face was flushed with excitement.

    Yang Luo stood up: "As we all know, mortars have a large firing angle, generally 45¡ã to 85¡ã, a curved trajectory, and a small muzzle velocity. This mortar is a domestic P89 type. The muzzle velocity is 203 meters, and the maximum range is 2,700 meters.  The speed is thirty rounds per minute. Therefore, if you want four shells to land at the same time, the time to adjust the direction and fire the shells four times cannot exceed one and a half seconds. "

    "Wow!"

    I don¡¯t know who took the lead in applauding, but they seemed to have just come back to their senses, and their faces were all red with excitement.

    Yang Luo raised his hand and pressed it: "Don't be too happy too early. It looks very simple, but in fact it is not that easy to do."

    Huang Jia shouted: "Report!"

    Yang Luo nodded: "Say!"

    Huang Jia asked: "Instructor, in addition to mortars, can other artillery do this?"

    Yang Luo said: "Yes, but only mortars can be operated by a single soldier. Other heavy artillery must follow the cannon."Only if the soldiers cooperate.  "

    Feng Feifei asked: "Instructor, you just said that this requires precise calculations. What is the calculation method?"

    Yang Luo said: "Instructor Long will tell you this evening."

    At this time, Long Xin came over with a bomb in his arms, and then carefully tilted the bomb thirty degrees and placed it on the ground: "Yu Min!"

    "arrive!"

    "Get out of the queue!"

    "yes!"

    Yu Min took a step forward. Long Xin looked at her and said, "I heard that you are a master of blasting. You have not only prepared seven kinds of explosives with different powers, but also designed several highly sensitive detonating devices. You have also filled the ranks of the South China Sea Fleet Army  A few blanks in the demolition training course and a second-class personal merit?¡±

    Yu Min puffed up his chest and said, "Thank you, instructor, for the compliment!"

    "Hey!" Long Xin smiled, "You're welcome."

    Yu Min said in a deep voice: "This is the truth, there is nothing to be polite about."

    Long Xin nodded: "Okay, since you are so confident, then defuse this bomb. If it cannot be defused, all Marines will be required to carry a load of 30 kilograms for 20 kilometers, plus 500 push-ups and 500 pull-ups.  , 500 frog jumps, lunch is cancelled.¡±

    "Huh?" The expressions of the female soldiers changed. They had just finished running 20 kilometers with heavy loads in the morning, and they still had to run again.

    Everyone looked at Yu Min, and Huang Jia shouted: "Yu Min, you have to live up to your expectations. You must defuse the bomb, otherwise it will be tragic."

    Long Xin said: "If you don't believe Yu Min, then come over and defuse the bomb with her."

    With a whoop, the female soldiers all gathered around, then squatted down and looked at the bomb.

    "Mercury balance bomb!" Song Xiaoqiao exclaimed, and the general bomb only has four wires, the detonation wire plus the neutral wire and the return wire, but this bomb has eight wires, divided into black, white, red, green, blue, yellow, orange and purple.

    Yu Min frowned as she looked at the bomb. Generally, anyone who can make a mercury bomb detonate at a tilt of 100 is considered a master. She, Yu Min, could tilt a bomb like this at 70.  You must know that making this kind of bomb requires extremely high balance control capabilities, otherwise it may accidentally detonate when you place it.  However, judging from the degree of tilt of this bomb to detonate, it is tilted at thirty degrees, which already requires extraordinary control and psychological endurance.

    Yu Min raised his head and glanced at Long Xin, who was standing there smoking a cigarette. It was hard to imagine how abnormal Long Xin's body balance and sensitivity were, and how stable his psychological quality was. This was simply not something that humans could arrange.

    Yu Min cursed in her heart, but she still concentrated on observing the bomb, and plans flashed through her mind.

    The best way is to secure the bomb, but Long Xin will definitely not agree to her doing this.  Because on the battlefield, nothing can hold the bomb in place.  Even if there were, one person would not be sure to complete such a highly sensitive mercury-balanced bomb.

    There is another way, which is to freeze, so that the liquid mercury will solidify, so that it will naturally no longer flow around, and the mercury will not come into contact with the detonating device.  But this idea is a bit unrealistic. The freezing point of mercury is about 40 degrees below zero. It is simply impossible for the mercury in the bomb to reach this temperature under the current circumstances.

    Time passed little by little, and Long Xin's eyes were full of smiles: "Ten minutes have passed. If it were on the battlefield, the enemy would not give you such a long time. But after all, this is your first time exposed to this situation.  Plant a highly sensitive bomb and I¡¯ll give you another twenty minutes.¡±

    Yu Min took a deep breath. He had no choice but to cut the wire. But there are eight wires here. Which one is the detonating wire?

    red?  Yu Min shook his head slightly. This was impossible. Since Long Xin had created such a perverted bomb, it could not be dismantled according to conventional thinking.

    Zhou Xin and the others were also observing carefully, but they had no clue.

    Sweat broke out on Yu Min¡¯s forehead. Although she knew that even if the bomb was detonated, it would not kill them, but there was still a kind of pressure. It was her pride and she was not allowed to fail.

    Another ten minutes passed, and time was getting tighter. Yu Min gritted his teeth, gently pressed a small button on the bomb from the center with his left hand, and then gently touched the eight wires with his right hand, including  Four wires are connected to the mercury balance.  The other four lines are return lines, which are connected to the four detonators in a staggered manner.  In other words, among the four wires connected to the mercury balance meter, one is the neutral wire, one is the live wire, and one is the detonation wire. So what is the remaining wire?

    Yu Min¡¯s eyes lit up and a smile appeared on his face, he was almost deceived.  Thinking of this, I picked up the wire cutters, clamped the red wire, and cut it hard without hesitation.

    There was a soft sound of "pop", and thenA black line appeared from the bomb. Yu Min's body stiffened, the smile on his face disappeared, and he murmured: "How is it possible? How is it possible?"

    Long Xin said with a smile: "Generally, red is the detonation line, and this bomb is so complicated, many people will think that the red line will not be the detonation line. But I have to say, the more you think it is impossible, the more likely it is.  happened, so your reverse thinking is correct, the red line is indeed the detonation line.¡±

    Long Xin¡¯s words stunned everyone. Yu Min looked up at him: ¡°Since the red line is the detonation line, how can it make a sound if it is cut?¡±

    Long Xin squatted down and touched behind the red line with his fingers, and saw a very thin copper wire appearing in front of everyone.  And that thin copper wire is hidden behind the red wire, but the other end is connected to the live wire. How can it not explode if it is cut.

    "Because of your negligence, everyone present was killed."

    Yu Min stood up without tears, looked at her comrades in arms and said, "I'm sorry, I've caused everyone to be punished with me."

    Huang Jia waved his hand: "How can I blame you? Instructor Long is too cunning."

    Yu Min shook his head slightly: "If you lose, you lose!" After saying that, he picked up his backpack and gun and ran forward.  The other team members grimaced and followed Yu Min to start the 20-kilometer weight-bearing training.

    Yang Luo smiled and said: "It seems that the blow to Yu Min this time is not small."
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