自动控制的根本问题是在存在干扰的情况下维持期望状态。

人类要追求智慧。

"Life is a series of moments, some fleeting, some eternal."

当今能源领域的领导力既需要技术专长，也需要道德勇气。

I'm so high, I can hear heaven.

You think you know when you can learn, are more sure when you can write, even more when you can teach, but certain when you can program.