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Text Chapter 47 Deep Meaning

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    At noon on the summer solstice, anything vertical to the ground has no shadow.  For example, if you erect a bamboo pole on the ground, it will have no shadow.  Because the sunlight at this moment is shining directly on the bamboo pole, which is perpendicular to the ground, it naturally has no shadow.  Not only Yunyang, but the people in Shenghua City also know this.  Buthow do we measure the radius of the Earth from this?  Countless people are thinking hard about this matter.  The opportunity to become a direct disciple of Zhao Ke is really too big. Although a master of the extraordinary realm will not be tempted by this condition - after becoming a master of the extraordinary realm, practice is almost entirely dependent on oneself, no matter how good the master is.  Yes - but transcendent realm masters also have their own descendants or relatives. If their descendants or relatives can become Zhao Ke's disciples, this will be a huge advantage in every aspect.  So, in Shenghua City at this moment, the masters of the extraordinary realm who never showed up easily also started to take action.  There is only one central point that everyone pays attention to. How to measure the size of the ancestral star under the known conditions provided by Yunyang?  At present, it is known that there is a summer solstice, a thousand miles due south of Shenghua City, a bamboo pole, and the length of the bamboo pole's shadow on the summer solstice But these are all scattered things, and no one can put them together and finally find them.  The solution that leads to the right answer.  As the deadline approaches, some students who are determined to win don¡¯t even go to class, but spend all day immersed in piles of papers and meditating.  Yunyang didn't dare to miss any of his lessons, because Yunyang once claimed that the method of measuring the radius of the earth based on these conditions was hidden in the mathematics and geometry knowledge he described.  The Star Observation Pavilion has become the busiest place recently. Many people come to the Star Observation Pavilion every day, hoping to get some useful information from these astronomy professors. There are even extraordinary masters who have never been born and come here in person.  .  Every Transcendent Realm master is a valuable asset to Shenghua City and a high-ranking figure. These astronomy professors dare not offend them, but all they can tell these people is just one sentence: "I'm really sorry, Five  We don¡¯t know what Mr. Wu did because Mr. Wu didn¡¯t tell us. To be honest, we at Guanxing Pavilion have also been studying this matter recently Okay, no problem. If we find anything, we will tell you as soon as possible.  You" The undercurrent is surging.  Some wealthy families in Shenghua City even mobilized the entire family. Whether it was the cleaning servants, the cooks, the laundry aunts, the maids, etc., they were all mobilized to think about this issue - this  How can we calculate the radius of the Earth under these known conditions and through Professor Yunyang¡¯s mathematical knowledge?  Shenghua City has almost fallen into madness.  But this madness did not have the slightest impact on Yunyang.  Because no one dared to ask Yunyang this question directly.  Yunyang is the final judge. Questioning Yunyang directly is undoubtedly cheating, which will be criticized by thousands of people. What's more, Yunyang will definitely not tell the answer before the last moment.  Yunyang¡¯s body was once again shrouded in a layer of mystery.  Even more people come to Yunyang's classroom to listen to Yunyang's lectures.  Every morning, when Yunyang had just climbed down from the back mountain, the classroom was already crowded with people, and even the windows were full of students.  In order to compete for a better seat in the lecture, some students even fought and were severely punished by the college's law enforcement team.  ¡ª¡ªAlthough the Qiankun Martial Arts Academy has a strong martial arts style, it strictly prohibits students from fighting in private.  If there is a conflict, no problem, the arena is open 24 hours a day, and martial arts professors are available as referees throughout the day, on call.  So when Yunyang finally came to the classroom, there was such a scene in front of him that even Yunyang was a little surprised.  Not only was the classroom crowded with people, there were at least several hundred people watching outside the classroom.  "Oh" Yun Yang rubbed his brows, "How come there are so many people You are standing so far away, and you can't hear my lecture" Today is the summer solstice, and tomorrow is Zhang Yue's worship ceremony.  , is also the day when Yunyang announces the final answer.  In other words, today is Yunyang's last lecture before the answer is revealed.  I don¡¯t know how many students regard this class as their last chance.  Seeing Yunyang coming, the turbulent crowd immediately returned to silence, and even took the initiative to make way for a passage, allowing Yunyang to walk into the classroom.  Yunyang coughed, and there was no sound at all. Everyone returned to silence, and countless eyes looked at Yunyang.  "Today we will focus on the application of trigonometric functions in practical situations" Yunyang rubbed his eyes, sighed, and started class.  At this moment, I don¡¯t know how many students had the same thought in their minds at the same time: "Today, Mr. Five will rub??I rubbed my eyes before I started teaching. I wonder what the meaning of this is?  Is it implying that the way to measure the size of the ancestral star is in our eyes, and we should pay attention to it?  " "Trigonometric functions?  Could it be that the method of measuring the size of the ancestral star must be based on this trigonometric function?  " Yunyang put down the book and began to lecture: "The meaning of trigonometric functions is actually very simple. In a right triangle, as long as you know the length of any side and one of the non-right angles, you can use trigonometric functions to calculate the rest.  Angle and length" "Hey, I didn't prepare any lessons yesterday, and there really isn't anything new to talk about today. Let's just talk about trigonometric functions to fool me.  Yunyang thought secretly in his heart. "Well?"  !  Mr. Wu paused when he talked about line segments. What is the profound meaning in this?  " "Mr. Wu keeps looking down at the book in front of him. What does this mean?  !  ¡± The huge classroom and the hundreds of students outside the classroom all kept quiet, and even their breathing was deliberately slowed down. At this time, if anyone dares to make a noise, there is no doubt that he will be torn apart by everyone immediately  Every word, every word, every change in expression, and every little movement that Yunyang said made these students make countless guesses, but Yunyang's behavior became even more strange.  He yawned loudly during the lecture. In the end, only halfway through the lesson, Yunyang closed the lesson plan in front of him and said a little listlessly: "That's it for today, everyone can review by themselves.  "After finishing the lecture, Yunyang hurriedly left the class. "The lecture ended halfway. This, this has no precedent!  Mr. Five has never done this before, so why did he do it in the last class before the answer is revealed?  What's the meaning of this?  Do you want to tell us that we should cut off when we should?  !  " "I can't understand, I can't understand" A group of students were talking about each other, but Yunyang had already quickened his pace and rushed to the toilet: "I don't know what the senior brother gave me to eat yesterday, and why it was still there after a night.  I haven¡¯t recovered well, oh, my stomach hurts so much" After coming out of the toilet, Yunyang breathed a deep sigh of relief. He looked at the sun in the sky and saw that it was almost noon, so he was too lazy to go back to class.  Instead, he returned to his hut and quietly waited for the news from Feng Wei. At noon on the summer solstice, there was no shadow of anything vertical to the ground in Shenghua City, but it was different a thousand miles away.  What Yunyang needed was the data of the shadow length of a stick of known length at noon. With this data, Yunyang could easily calculate the radius of the earth. Many students left the class with doubts.  , returned to their respective homes or resting places and began the last-minute sprint. Yunyang never revealed any useful information, so all the trivial things began to attract the attention of the students and those standing behind them.  Thoughts on the characters. "I noticed a detail. When Mr. Wu asked Feng Wei, Sun Qingzong, and Zhao Wei to set off from Shenghua City, he asked Zhao Wei to find a two-meter-long stick, and then asked again.  Zhao Wei put the stick around his neck, and had to bend down, raise his head, and move forward in a rather weird posture At the beginning, Mr. Wu also solemnly stated that Sun Qingzong and Feng Wei were required to strictly monitor Zhao Wei.  Let Zhao Wei maintain this posture all the time. Could it be thatthe method of measuring the size of the ancestral star is hidden in Zhao Wei's posture?  " "What kind of posture is it?  You learn from me quickly.  " "Hmm This posture looks a bit like a monkey, but what does the monkey have to do with the size of the ancestral star?  I can't figure it out, I can't figure it out Whatever, I'll contact Zhao Wei through Qianli Sound Transmission.  Zhao Wei and I have a life-long friendship. If Zhao Wei knew about it, he would definitely tell me.  " "Zhao Wei!  Why did Mr. Five ask you to stay in the monkey position?  You have kept this posture for a thousand miles, but have you ever felt anything?  " Directly south of Shenghua City, thousands of miles away, Zhao Wei, wearing a tall hat, jumped up and shouted with grief and anger: "Don't ask me!  Don't ask me!  I don¡¯t know anything. God knows why Mr. Wu asked me to maintain this posture!  Are you bothered by all of you coming over to ask me one by one, and then another one after you finish asking?  Are you annoyed?  !  " Sun Qingzong immediately scolded: "Zhao Wei!  Keep up the pose!  Don't move until Mr. Five says it's over!  If you delay the important task of measuring the size of the ancestral star, can you afford it?  !  " Zhao Wei bent down and raised his head in grievance, closed his mouth, and refused to say a word. "Noon is almost hereit's time to start measuring.  "Feng Wei said.   ¡ª¡ª¡ª¡ª¡ª¡ª¡ª¡ª During the Chinese New Year, the update time may not be fixed. I hope you can understandAlso, during the Chinese New Year, Rainbow will try to keep updating twice a day, but if something really happens sometimes, it cannot be updated twice a day.  During the update, I also hope that everyone will not blame Rainbow too much Well, today¡¯s two updates are over, and I¡¯m asking for votes again!
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