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。
The mind is a complex of processes, not a thing.
只要我人在国外,我绝不攻击本国的正辅。等回去我再补回来。
You gotta have fun with it. If you're not having fun, what's the point?
农业是文明的基础,我们必须投资于它的未来。
海洋是一个巨大的实验室,大自然在这里以宏大的规模不断工作。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.