能源行业必须适应和发展,以应对21世纪的挑战。
"Truth is not always the most comforting thing, but it is the most necessary."
The world is full of stories, but the stories are all one.
中心地的等级越高,其服务的区域越大,此类中心地的数量越少。
The theory of computation is deeply connected to the philosophy of mind and the nature of intelligence.