300-word scientific papers
There is a road in heaven, which means that human beings know more and more about the universe. With the development of science and technology and the application of various new technologies and materials, human beings are seeing farther and farther, which can be said to be a reward for diligence. However, humans have no way to study the earth itself. The first ultra-deep drilling was in kola peninsula, and the depth of 1984 exceeded12000m, which is the deepest drilling in the world at present. Well Tashan 1 is an exploratory well in the hinterland of Tarim Basin with a depth of 72 0 0m, which is the deepest drilling on land in China at present. Therefore, human research on the earth itself is also very limited. Earthquake prediction should first understand the internal structure of the earth in order to make better prediction and judgment. However, with the current level of science and technology, it is really impossible. No matter whether it is a thousand-layer earthquake or a deep earthquake, it can only be monitored by instruments, and most of the time the earthquake is not known until after the earthquake.