Library

[Welcome to Xueba's supervision system! The purpose of this system is to urge the host to study diligently and forge ahead, to make steady and long-term progress on the road of scientific research, to use the individual to drive the whole group, and ultimately to achieve the great development of science and technology for all mankind! ]"Are there any benefits?" "Does it count to become a scientific research expert?"... The dragon entered the sea, the divine land flew into the sky, Chang'e flew to the moon, Tian Wen searched for fire... These have nothing to do with Xu Ling. What Xu Ling wants to do is to walk the path that has not been walked by his predecessors and build the bridge that has not been built by his predecessors... Let's see how an ignorant college student who failed three subjects in a row became a giant in the development of science and technology with the help of the system...