奈奎斯特准则提供了一种图形方法来确定闭环系统的稳定性。
It's not about having time, it's about making time.
数据库技术的进化是一段旅程,而不是目的地。我们必须继续创新和适应。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
我现在身体上已经无法做任何过去喜欢的事,但我并不怀念它们。
In science, as in life, the important things are rarely simple or obvious.