Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
什么条件对 R 、 L 和 C 保证临界阻尼?
什么条件对 R 、 L 和 C 保证临界阻尼?
Natural Language
Math Input
Extended Keyboard