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
答
以中间水平线为零点,零点以上是正极,零点以下是负极。
答
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答
以中间水平线为零点,零点以上是正极,零点以下是负极.