The essence of computer science is the study of algorithms and their efficiency.
记忆是脆弱的,但文学可以把它从遗忘中拯救出来。
PID控制器的本质在于它能够根据系统的过去和现在状态预测其未来行为。
The past is never dead. It's not even past.
你越努力,就越幸运。