Sign in | English | Terms of Use
DictionaryForumContacts

   English ⇄
Google | Forvo | +
derivative action time constant
el. 微分作用时间常数
derivative-action time constant
el. 微分作用时间常数

 The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error | Get short URL | Language Selection Tips