"Lord Du, you ......" Yuan Chonghuan choked for a while, but quickly reacted, "Lord Du, Your Majesty has a purpose, the Second Army and the Third Army are both controlled by Yuan, do you dare not obey military orders?"

"Lord Yuan, don't just button someone's hat," Du Wenhuan didn't care, and even provoked Yuan Chonghuan, "The military order is not something that you Lord Yuan can give alone, it's best for everyone to discuss - Du Mou received an order from Lord Sun, the governor of Jiliao, this time, I don't know if it can be regarded as a military order?" ”

"You ......" Yuan Chonghuan has the heart to reason with Du Wenhuan, but he doesn't want the two sides to get into too much trouble, now is the best time to fight Jiannu, "Lord Du, what do you mean?" ”

"The subordinates don't mean anything, the subordinates just came to Jinzhou to kill Jiannu on the military order of Lord Sun."

"Lord Du, your subordinate soldiers have no experience in fighting with Jiannu, and I put them in Ningyuan for their safety."

"Lord Yuan's words are not right, right? Your first army is a reorganization of the four martial arts battalions, and they have never been to Liaodong before, let alone seen Jiannu. Du Wenhuan adjusted his tone: "It's true that the second army is controlled by you, but Lord Yuan can't favor one over the other, the first army killed the enemy in Qiantun, the second army only had to stare at it, the first army went to Ningyuan, the second army took over Qiantun, could it be that the first army took Ningyuan, and the second army stayed in Ningyuan to drink the northwest wind - Lord Yuan, you eat meat, you have to let others drink some soup, right?" ”

Yuan Chonghuan was speechless again, he was careful, what Du Wenhuan said also made some sense, soldiers must go to the battlefield for training, besides, if there is no chance to go to the battlefield, where will the military merits come from? Perhaps he was too concerned about the slaves and ignored the feelings of his allies, who were still nominally controlled by themselves.

"Master Du, you think this is good, your first division has arrived in Jinzhou, so you don't need to go back to Ningyuan, lest it be another long-distance attack, but your fifth and sixth divisions are temporarily stationed in Ningyuan, if Jinzhou needs it, we will transfer it again?"

Du Wenhuan thought for a while, since the Fourth Division was stationed in Jinzhou, then he, the army commander, could also stay in Jinzhou, "Okay, I listen to Lord Yuan, but I ask to stay in Jinzhou with the Fourth Division." ”

"Master Du, if you want to blackmail Yuan so much, Yuan will go up to His Majesty." Yuan Chonghuan was also a little annoyed, he was indeed a little greedy, but in order to make up for his mistakes, he had repeatedly backed down, but Du Wenhuan had to make inches.

"Lord Yuan, you don't have to use Your Majesty to suppress Du, everyone is a military commander." Du Wenhuan showed no weakness.

Master Du insisted on this. Yuan had no choice but to let His Majesty rule - in order to show Yuan's fairness, Yuan went up to His Majesty's document, and Lord Du could also take a look at it, and if Lord Du did not object, he could also sign your name on the document. ”

………………

One victory after another came from the Liaodong front, which gradually increased Zhu Youzhen's prestige in the court, because these were all the military exploits of the new army he formed after he ascended the throne.

The Ministry of War, the Ministry of Households, and the Ministry of Industry worked closely together to actively transport grain and grass, replenish ammunition, and issue pensions and rewards to the troops on the front line in eastern Liaodong.

The reorganization of the Beijing Division has been completed, and the military headquarters has begun to reorganize the armies of Shanxi and Shandong, and the North Sea Fleet, with Dengzhou as its home port and Wei Xin as its commander, has officially surfaced.

The North Sea Fleet no longer has to secretly train near Dengzhou, and now the Ministry of War has officially recognized and taken over the North Sea Fleet, and all ships are equipped with flintlock guns, artillery, and flowering shells, and the Firearms Bureau has also improved the drawings of the Chengzu period, combined with Zhu Youzhen's guidance, and equipped the North Sea Fleet with thermal rockets for close combat, underwater mines, underwater dragon cannons, mixed river dragons, and fire dragons out of the water.

The hot rocket is not the kind of rocket developed by Ding Lan for ascending to the sky, but hollows out the middle of the ordinary arrow, loads it with fire oil, usually blocks the exit of the fire oil, and when shooting, pull out the plug, let the fire oil flow out, ignite the cotton cloth outside, and then shoot it on the enemy ship.

Underwater mines, underwater dragon cannons, mixed river dragons are all used for underwater operations, blowing up the opponent's ships of the mine, which is loaded with gunpowder, the difference is that the water mine needs to ignite the lead, in order to waterproof, the outside of the lead needs to be protected with a long waterproof paper, the use is extremely inconvenient, the production is not large, mainly used as teaching and contact.

The underwater dragon king cannon is made of ox belly as the shell, filled with black # gunpowder, and the burning time of incense is used to detonate the mine, which is actually a timed explosion mine. When using this kind of mine, it is necessary to know in advance the specific time when the enemy's ships will pass, and in the era when military information is not very smooth, it is actually difficult to predict the time when the enemy's ships will pass, so it is not widely used.

The mine that can really be widely used is still the mixed river dragon, which was developed by Zhu Youjian with great painstaking efforts and in combination with all the relevant craftsmen of the Firearms Bureau, and may be the first trigger-type mine in the world.

According to Liu Yifei's estimate, it should have appeared in the Wanli period, because the time was long, and the specific design personnel could not be found at all, and finally Zhu Youzhen recorded the credit for the invention in Liu Yifei's name to reward him for his contribution to preserving documents and actual contributions to firearms.

According to the designer's drawings, the body of the dragon is a thin bamboo tube with a wooden dragon head in the front section and a wooden dragon tail at the rear end, and a rocket is installed in the dragon body, and the lead wire is drawn from the hole under the dragon head. Under the dragon's body, a total of four powder cartridges were installed in the front and rear, each connected by a lead.

When firing, first ignite the four powder cartridges under the dragon's body to push the dragon forward, and after the powder keg is burned, the rocket in the dragon's body is ignited and flies out, shooting at the enemy. Thanks to the support of the dragon's body, the fire dragon can fly up to 5,000 meters on the surface of the water.

Zhu Youzhen had never heard of such a rocket in Europe at the same time, and he estimated that this was the first large-scale long-range rocket launched from a warship in human history, and it was probably the ancestor of anti-ship missiles.

Zhu Youzhen did not have time to engage in specific work, he only provided some ideas that others did not know, and expressed his support for advanced science and technology.

The Firearms Bureau is responsible for R&D and production, and the Ministry of War is responsible for deployment to the North Sea Fleet, and the North Sea Fleet is responsible for training soldiers for use.

On 8 August, Zhu Youzhen took advantage of the time when he could not attend the court meeting to fulfill his promise -- to personally give lectures to the students of the Daming Academy of Sciences.

In the first session, Zhu Youzhen gave a lecture to the students in the geography class.

I heard that Zhu Youzhen personally taught, not only was the geography class full of students, and none of them asked for leave, but there were also many students from other classes who were also crowded into the geography class, and even many teachers were crowded into the students' seats, and many desks were temporarily added to the back row of the class, which was still not enough.

Seeing that there were so many people crowded together in the classroom, Fu Xiaojian, the head of the guard, was very nervous, from beginning to end, he was like a model, standing on the podium, behind Zhu Youzhen's side, in case there were assassins hiding in the crowd at any time.

Zhu Youzhen prepared a large map and ten custom-made globes.

"Students, now I am not the emperor of the Ming Dynasty, but your teacher, if you have any questions, you can just ask." Zhu Youzhen hung the map on the blackboard, he found that the students were too quiet, they were all college students, how could they still be like elementary school students, was it because he was the emperor of the Ming Dynasty?

It's still quiet below, and Zhu Youzhen thinks of his student days, and if a teacher wants to enliven the classroom atmosphere, he must create opportunities for students to use their hands and brains.

"Today, the content we are learning is 'knowing Daming, knowing the world', can any of you find the location of Daming from this map?"

The map is very large, and it is marked with a brush, so at least the students in the front row can see it clearly.

Finally, a student in the front row stood up and replied, "Your Majesty, I found ......"

Zhu Youzhen smiled and waved his hand: "Call the teacher." ”

The students below began to whisper, and Zhu Youzhen did not stop him: "This classmate, tell me, where is Daming?" ”

"In the center of the map, at the edge of the sea."

"Yes, you said it well, this is indeed the location of Daming." Zhu Youzhen drew a circle on the border of the Ming Dynasty with a whip.

"Huh? This is Da Ming? ”

"Why is it so small?"

"Do we live by the sea?"

……

Finding that Zhu Youzhen did not object to them discussing below, the students gradually became more emboldened because of the large number of students.

"I hear you talking, but I want you to speak louder—so that the whole class can hear you, and now I'll answer your questions."

"Who said just now that Da Ming is so small, in fact, in daily life, we all think that Da Ming is too big. It depends on who you compare with, Daming is a country with a very wide territory, but in the whole world, the land occupied by Daming is still very small, you see, this whole map is the world we live in, and Daming is only a small part. ”

"Teacher, apart from Da Ming, are there any other countries in the world?"

"Of course, all the large landmasses are inhabited by human beings," Zhu Youzhen pointed out in turn on the map: "Here, it is a vassal state of the Ming Dynasty, Chao # Xian; This is Toei, and their current name is Japan; This is Nanyang, and there are many Han people who make a living here. ”

"Chao # Xian is so small, no wonder it depends on Daming."

"The Japanese all live on the island."

"Nanyang and us are separated by the sea, how did the Han people get there?"

……

"Of course, if you come by boat, will they fly-have you seen "Journey to the West"?" Speaking of flying, Zhu Youzhen immediately thought of "Journey to the West", "Journey to the West" has been written for many years, and Zhu Youzhen estimates that most of these students have read it.

"I've seen it, I've seen it." The students looked quite proud.

"Then can you tell me about the route of Tang Seng to learn the scriptures?"

“……”

""Journey to the West" said that Tang Seng went to the west to learn scriptures, and of course he went west." Zhu Youzhen found Xi'an on the map, that is, Chang'an, the capital of the Tang Dynasty, and then guided all the way to the west, the students thought that Zhu Youzhen would always guide him, but Zhu Youzhen's whip turned to the south, and slowly pointed to the east, "Finally, Tianzhu's Da Lei Yin Temple." ”

"Isn't this southward? How do you call the West Heaven to learn scriptures? A student plucked up the courage to ask Zhu Youzhen a question.

"Yes, Tianzhu is indeed in the south of the Ming Dynasty - they are now called the Mughal Dynasty, but it is separated from the Ming Dynasty by the Himalayas - the highest mountain range in the world, and there is no road in between, so Tang Seng took the route to the west, passed through countless small countries, and finally arrived at Tianzhu with great difficulty."

Zhu Youzhen also drew the "Silk Road" in the Han and Tang dynasties and the route of Zheng Sanbao to the West during the Chengzu period on the map, and the end points of these two routes converged, "This is Europe, we usually call it Xiyi, and they have many missionaries who arrive in Daming - Daming Academy has teachers from Europe, they can come to Daming, but the people of Daming can't go to Europe." ”

"Why is that? Since they can come to Daming, it means that there is a road between Europe and Daming. ”

"You're right, there is a way, but Da Ming can't find it, because we don't know - the earth we live on is round."