Used in conjunction with a Signal Level Meter, the gain or loss of any system component can be quickly measured.
与信号电平表联合使用，任何系统部件的收益或损失都可以进行快速测量。
2
As the frequency of the AC component increases, the DC meter response decreases, until at some frequency only the average input voltage will be displayed.
The current state of the art for chip manufacturing is 30 nanometers, which means the average size of a chip component is just 30 billionths of a meter across.