Ma Jun is a rare scientist in the Three Kingdoms era - the kind of genius. Although Zhao Hao has not seriously studied the records of Ma Jun in the history books, he also knows that this person is an excellent inventor, and he took the time to transform the Zhuge Repeater in his spare time, which greatly enhanced the lethality, if this kind of person is not used well, then Zhao Hao is really a stupid donkey.

He thought for a moment and said: "The Xiangyang cannon is the most important siege equipment of our army, but it is too bulky to carry with you, if you are interested, I will tell you his principle, how about you also learn to improve?" ”

Ma Jun hurriedly waved his hand and said, "No, no...... I...... I ...... anything I don't know. ”

Zhao Hao laughed and said: "Aren't you just afraid that I will cut you with a knife, although the Xiangyang cannon is strong, it is nothing, I can make it, naturally there is a way to restrain him - my military uniform has a kind of heavenly thunder, which will be immediately bàozhà after being ignited with fire, like a heavenly thunder, although the Xiangyang cannon is strong, it is far less powerful than this kind of heavenly thunder." Since I have this secret weapon, how about telling you the principle of the Xiangyang cannon? ”

Ma Jun's eyes widened, looking at Zhao Hao blankly, his face was full of disbelief, but he didn't dare to refute, Zhao Hao looked at his expression with satisfaction, broke off a branch and drew a trebuchet on the ground.

Of course, with Zhao Hao's all-encompassing virtue, how could he be so heartfelt to Ma Jun, who had just met.

He sketched a torsion trebuchet that was popular in the European theater - this trebuchet uses the power generated by twisting the rib bundle to launch stones, with a beam at the top of the frame and a tightly twisted rib bundle at the bottom, the end of the projectile rod is inserted vertically in the middle of the rib bundle, and the front end is made into a spoon shape or tied to a leather bag to hold the projectile.

In normal times, the elastic force generated by the twisting of the rib bundle causes the projectile rod to be tightly pressed against the beam; When casting, the projectile rod is leveled down, locked with a trigger device, and the projectile trips after loading, and the projectile suddenly rebounds and hits the beam, and the projectile flies out under the action of inertial force.

Although this thing is much more complicated than the trebuchet popular in ancient China, it ...... In fact, the lethality is far less effective than the Chinese version of the trebuchet, not to mention the short attack distance, and it can only throw less than a hundred kilograms of stones.

However, Zhao Hao explained the principle while painting, this kind of equipment that looks like a tiger still scared Ma Jun into a petrified state in an instant, he was not good at words, he stammered for a long time and couldn't jump out of a word, that face was red at first, and then became a fiasco, and saluted Zhao Hao respectfully: "In ...... At...... Surrendered, it turns out that there is such exquisite equipment, general, you are really ingenious, no wonder Xiangyang was casually broken by you! ”

Ma Junyi was excited, and his words were neat. Zhao Hao laughed secretly in his heart, thinking that this tattered thing was actually too stupid to work, and the hair-fastening device was particularly difficult to preserve with ancient technology, and later he didn't bother to use it during the Crusades, Ma Jun was actually frightened, and it seemed that his own Wang Baqi had played a role.

Practice is the only criterion for testing the truth, before Ma Jun saw the lethality of the real thing, he was really stopped by Zhao Hao's junior high school physics class of modern thinking, and he looked forward to Ai Ai for a long time, and said that he wanted to hear Zhao Hao talk about the principle of Tianlei again.

Zhao Hao waved his hand and said solemnly: "That is a military secret of our army, and only our important brothers can refer to it together." Anyway, you're leaving tomorrow, and when the king of Hanzhong recovers the Han Dynasty, you'll definitely become a super inventor, so let's see you again. ”

"Don't!" Ma Jun knelt on the ground with a thud and said, "Will ...... Will...... You...... I'm not going. Learn...... Learn this...... Join the Army...... Restore the Han Dynasty! ”

Bite! The gentle voice of the system sounded again:

Mission: Ma Jun's Admiration {Complete}

Reward: {Intermediate Chest}

Ma Jun didn't even ask Zhao Hao carefully what he was doing before he took the initiative to join the army, it seems that this guy's research enthusiasm is really very high, and it is no wonder that he can also gain a great reputation in later generations. Zhao Hao can probably understand the reward idea of the system now, and the celebrities he knows better are rewarded with some junior goods, and some characters who are not famous but have contributed to history can drop higher-level treasures.

Hmm, then the question arises again, who is Wang Xi?

Is there such a person as Wang Xi in history?

To appease Ma Jun to rest, Zhao Hao approached Lu Luan's tent with contemplation, and outside the tent, he heard Lu Luan coughing very badly, but when he walked into the tent, Lu Luan forcibly suppressed the cough and sat up, Guan Yinping, who was sitting next to her and taking care of her, nodded at Zhao Hao with a smile, and said, "Zixuan, you are here." ”

In front of his wife in the future, Zhao Hao, who has modern thinking, really didn't dare to care too much about Lu Luan, Guan Yinping glared at him unhappily and said, "Brother Zixuan, the sister of the Lu family is sick like this, why don't you say a word of comfort, it's too much." ”

Yes? Is that so? Zhao Hao was also worried that this was Guan Yinping's proposition, it can be seen that Guan Yinping's eyes were gentle and sincere, and he was feeding Lu Luan with a bowl of gruel just now, and his concern was beyond words, he knew that Guan Yinping's kind little girl's compassion was overflowing again, and he couldn't help sighing, his heart was inconvenient in ancient times, and this was good.

"Is it still burning?"

Zhao Hao reached out and touched Lu Luan's forehead, but his palm only touched Lu Luan's silky forehead, so Lu Luan avoided it in horror, bowed his head and said, "If you go back to the general, the concubine has been cured." ”

"Heal you ghost, you still look sick now, don't sit, lie down and rest."

Guan Yinping carefully fed Lu Luan a mouthful of porridge, folded his hands and said, "Sister Lu, have a good rest, maybe it will be fine tomorrow." ”

Zhao Hao also read along: "Yes, the all-knowing and all-powerful God will bless you." ”

The two daughters couldn't help but sneer, and at the same time remembered Zhao Hao's serious flickering bald spring before, Guan Yinping reached out and punched Zhao Hao's arm lightly, and said, "It's not right, you come to feed Sister Lu Luan porridge, I'll ...... I'm out on a night patrol. ”

"What do you do on the night patrol!" Zhao Hao looked tired, stretched out his hand and forcibly hugged Guan Yinping into his arms, Guan Yinping screamed, and pushed Zhao Hao but didn't push it away, so he had to snort lightly and put his face close to Zhao Hao's chest.

The two have known each other since childhood, and Guan Yinping has long liked this man like his brother from the bottom of his heart.

Although Song and Ming science were not yet popular in this era, the two young people have always treated each other politely, and it is the first time that they have been so ambiguously pasted together as today.

Not...... Xiangyang City's back-to-back naturally doesn't count.

In particular, Guan Yu has already instructed that when Jiang Xia is defeated, Guan Yinping will be promised to Zhao Hao, which makes the relationship between the two a little closer.

Lu Luan saw that the two of them were mixing oil in honey, and there was a sharp pain in his chest.

She still hates Zhao Hao very much, but she can't hate Guan Yinping, a gentle female general who is two years younger than herself. Especially in the past few days, Guan Yinping has been taking care of the sick Lu Luan as his sister, which has greatly moved Lu Luan's heart, and even his perception of Zhao Hao is a little better.

Born in troubled times, I can't help myself. She was also worried that Zhao Hao would think she was seriously ill and leave her in the wilderness during the rapid march. can see Zhao Hao's warm appearance towards Guan Yinping, she is envious in her heart, but she also relies on Zhao Hao a little, and she doesn't want him to leave here.

Zhao Hao hugged Guan Yinping with one hand, and pretended to give Lu Luan a pulse for a moment with the other, he looked at Lu Luan's appearance and knew that she was just occasionally feeling cold, as long as she could rest well, it didn't matter, there was a shortage of doctors and medicines on the march, so he had to wait until he went to Suixian.

"If you knew it earlier, you would have brought Wang Xi's goods."

Speaking of Wang Xi, Zhao Hao suddenly remembered the "Treatise on Typhoid Fever" he took out that day, and a ridiculous thought suddenly rose in his mind, and he hurriedly asked: "Have the two beauties ever heard of the book "Treatise on Typhoid Fever" or "Treatise on Typhoid Fever and Miscellaneous Diseases". ”

"I've heard that." Guan Yinping smiled cutely, "Isn't it written by that stupid guy Wang Xi, he holds the bamboo slip everywhere, and when he hears about any ancient recipe, he writes it down and consults it, and he also works hard." ”

"That...... Haven't you heard of Zhang Zhongjing? ”

"Who's that?"

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