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Zhu Youzhen pointed out the hero spectrum and named the teenage boy "Zheng Sen". www.biquge.info In fact, Zheng Sen in history, that is, the famous Zheng Chenggong, was originally the son of Zheng Zhilong. However, after Zhu Youzhen met Zheng Zhilong, he didn't believe that such a traitorous and evil person could give birth to a son of a national hero.

It happened that "Zheng San" and "Zheng Sen" were homophonic, so Zhu Youzhen gave this good name to this hot-blooded young man, and said in his heart that he had stirred up this time and space, so he simply made it more outrageous. As for whether Zheng Zhilong's son is also called this name, he doesn't care, anyway, he won't sit back and watch Zheng Zhilong's power grow bigger and bigger.

After a period of rejoicing, there were several important questions in front of them. The first is where they are now, the second is where they are going, and the third is how they are going.

Zhu Youzhen is blind now, he raised his eyes and looked around, surrounded by the vast sea, and everywhere he looked, it was the same. It was the middle of the night again, and he couldn't tell the direction through the sun, so it could be said that he couldn't even tell the difference between east and west, north and south.

Zheng Sen comforted him and said, "Your Highness, don't worry, wait for the villain to use the foreign star pulling technique to identify the direction." ”

So saying, he ordered the sailors to take something out of the cabin. When Zhu Youzhen took a closer look, he saw that there were more than ten square wooden planks strung on a rope, and the wooden planks were engraved with markings. Zheng Sen raised one end of the rope high with his right arm, looked at the sky for a while, and then asked the sailor for a large stack of charts to compare carefully. After a long while, he selected one of them, pointed to one of them and said to Zhu You: "Your Highness, please look, the ship should be in this direction now." ”

Zhu Youzhen was a geography lover in his previous life, although he had never been anywhere because he was shy in his pocket, but he had seen a lot of maps around the world, and he was even more familiar with the ones near China. But when he looked at this map, he was dumbfounded: although there was land and sea on the map, it did not match the topography of the Yellow Sea in his mind at all!

After careful study for a long time, Zhu Youzhen saw the clue. It turns out that this picture is not up-and-down, south-south, left-west-right-east, but up-south-down-north, upside down, upside down, no wonder he looks awkward. Moreover, the ratio of land and sea is also a bit out of balance, and the Chinese part is obviously painted on the large side, and the annotations are also very detailed; The Korean Peninsula is a few laps smaller than it actually is, and only important cities such as Seoul, Pyongyang, and Busan are marked. Further east, the Japanese archipelago is even smaller.

Zhu Youzhen looked at it and smiled: "What kind of map is this?" The proportions are not right! ”

Zheng Sen also smiled: "The villain has been to Japan at sea, and the four islands of Japan are much larger than those of North Korea, but the map is not even one-third, and I feel that this sea chart is really wrong." But these charts have been handed down from generation to generation by sailors, and my master said that only I can draw them bigger, and the small state of Japan naturally has to draw them smaller. ”

Zhu Youzhen listened and said with a smile: "The map should still be drawn according to its original appearance, and what does it have to do with which country?" In the future, if there is a chance, these charts must be redrawn, otherwise the big thing will be delayed. By the way, where did you just say we are? ”

Zheng Sen hurriedly pointed it out for him, and Zhu Youjian saw that this point was probably located between the Shandong Peninsula and Incheon Bay in North Korea, which was closer to Incheon.

"How did you find out?" Zhu Youzhen asked curiously.

"Your Highness, please take a look," Zheng Sen hurriedly held up the thing he used just now and explained in detail to Zhu Youzhen, "This thing is called the Star Drawing Plate, and there are a total of twelve positioning plates. When using, first look for a positioning star in the night sky, then lift the star-pulling plate, the lower edge of the bottom plate is level with the sea horizon, and then observe which board the positioning star is located on, you can calculate the position of the north and south according to the height marked on the board.

"In every part of the sea, there are dozens of nautical charts and their corresponding star charts, on which the hours are marked. Comparing the position of the stars on the star map of the present hour with the stars in the sky at this moment, the current position of the ship is the same as that of the ship, and the direction of the east and west can be known. ”

After listening to Zheng Sen's introduction, Zhu Youzhen couldn't help admiring the wisdom of the ancients on the one hand, and on the other hand, he also felt the stagnation of navigation technology. From Zheng Sen's introduction, it can be known that this kind of "transoceanic star pulling technique" has appeared for at least hundreds of years, but it is still in use now, and there is no new and better way.

And this method also has great limitations, one is that it must be a clear night sky, otherwise there will be no reference; Second, there must have been predecessors in this sea area, and as many as hundreds of charts of different times and latitudes and longitudes have been drawn for future generations to compare. But if it is a new sea area that no one has set foot in before, then there is no way to do it. It's like the previous life, it's radar and GPS satellite positioning, and the ship can't be lost wherever it goes. If you think about Zheng He's voyage to the West and Columbus's discovery of the New World, it was truly an incomparably great feat.

Thinking of the New World, Zhu Youzhen couldn't help but feel a little nervous, thinking that he was a person who had traveled from his previous life, and his geographical knowledge could be said to be richer than anyone in the world. The New World had already been preemptively discovered by the Europeans, and there was no way around it; But Oceania and Antarctica are still undiscovered "virgin lands", especially the Australian mainland, which is a good place with rich resources and sparsely populated land.

Historically, the most recognized discoverer of Australia was the Englishman Captain Cook, who named Australia (Latin for southern continent) and opened it up as a British colony. But that was the late eighteenth century, and now it is the seventeenth century; Moreover, Australia is not very far from the Nanyang Islands, if a huge fleet is organized to make a quick start, then the history of the world will not change again?

Zhu Youzhen was fascinated, and secretly said that if he followed the principle of "naming the discoverer", he would definitely not let it be called "Australia" again, but would give it a Chinese name! What's it called, Annan? No, Vietnam is already called by that name; Far South? Pingnan? Dingnan? It doesn't seem appropriate, if you go in the past, you can't treat the local aborigines as cruelly as the British colonists, you should live in harmony and develop together! In this sense, it might as well be called "Harmonious Nanzhou"!

Just as he was thinking nonsense, Zheng Sen asked respectfully, "Your Highness, where are we going to sail now?" Do you want to go back to Dengzhou? ”

Of course, Zhu Youzhen wanted to go back, but at this time, a strong westerly wind was blowing on the sea, and it was on the east coast of the Yellow Sea. What's more, he is also concerned about Qi Meifeng's whereabouts. Qi Meifeng didn't know where to go, and where to go now, Zhu Youzhen didn't know either.

When her heart was in turmoil, Lee Jung-yeon suggested, "Your Highness, since this place is closer to Incheon, it is better to land from Inchon first. It is the border of North Korea, and after going ashore, Zhenyan has her own way to mobilize her own manpower and ships to find the traces of Sister Miho, which is much better than looking for a needle in a haystack like this. Moreover, His Highness's leg injury must be diagnosed and treated immediately, and if it is delayed, he will be disabled! ”

Zhu Youzhen thought about it carefully, and it seemed that there was no other better way, so he had to smile bitterly: "Okay, then go to North Korea!" ”