将英语译成中文The center horizontal line indicates zero amplitude; points above the line are positive-valued samples,and points below are negative

问题描述:

将英语译成中文
The center horizontal line indicates zero amplitude; points above the line are positive-valued samples,and points below are negative

以中间水平线为零点,零点以上是正极,零点以下是负极。

明天在答吧!

以中间水平线为零点,零点以上是正极,零点以下是负极.