The PID controller is a universal tool for the control engineer, applicable to a wide variety of processes.
PID控制器是控制工程师的通用工具，适用于各种各样的过程。
The truth is that parents are not really interested in justice. They just want quiet.
Every frame in a film should be a painting, every scene a story.
文学的力量在于它能够揭示人性的复杂性，而不仅仅是描述事件。
我打网球不是为了金钱或名声，而是因为我热爱它。