The Derivative term when combined with proportionalaction improves control by sensing changes and correcting for them quickly.
导数项与比例作用结合在一起时，通过感觉变化和修正而迅速改善了控制。
2
The number of people watching you is directly proportional to the stupidity of your action.
关注着你的人的数目与你所作所为的愚蠢程度成正比。
3
If the action mode of the regulator is correctly selected according to the need of work field and the proportional integral parameters are reasonably adjusted, the regulator will work perfectly.