我离开船不能超过一天,因为我是船上唯一能导航的人。
I can be no longer than one day absent from the ship, as I am the only person on board who can navigate her.
系统的稳定性取决于开环传递函数在复平面上的行为。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
The ruling ideas of each age have ever been the ideas of its ruling class.