篇五：知识就是力量作文
After reading a book about Zheng He's voyage to the west, I learned from his voyage experience that knowledge is power.
Zheng He in order to identify the direction, and has begun to astronomical navigation positioning and navigation compass combination, improve the accuracy of the determination of position and direction, if he has no knowledge of sailing in the sea, how to identify the direction?
Zheng He's voyage to the west is very large, and how does the ship connect with the ship? They use flags, lanterns, brass gongs, and horns as a contact tool, which shows that the wisdom of Zheng He's command is great and really admirable.
As a child, Zheng He liked to listen to his grandfather or father for the mountains and features of the western countries and their customs, which were used in navigation. If he did not understand the folklore of the western countries, he would be incompatible with those countries, and how could it be friendly with those countries?
Western the navigation technology Zheng He, is based on scientific knowledge and marine navigation as basis, using the log, depth sounder and other navigation equipment, according to the charts, the needle to ensure the navigation of the ship road entry route. If Zheng will not use this technique of navigation, the fleet will not go to the destination, and do not know where to go.
Only by mastering a variety of knowledge, to become a generation of children. I ate the fish once, and I was fast eating because the fish was very good, and I accidentally stuck a small piece of fish sore into my throat. I'm in a hurry. At this time, my brother, Xuan Xuan said to me: "you should drink some vinegar, you can put fish out." I hastened a lot of vinegar, and sure enough, it was pulled out of the fish. Later, I read the book to know that the vinegar has the effect of softening the fish. I can't help but admire the proud.
It is true that knowledge is power. There is knowledge everywhere in life. As long as we watch it, we can find it. We should not only find knowledge in our life, but also learn the cultural knowledge of every door in school so as to be a great man like Zheng He. We must remember a word, "the only person who wins the knowledge can win the future."