对电压测量来说，理想的输入电流应为零，所以，一切输入电流都代表误差。

With voltage measurements, the input current is ideally zero; thus, any input current represents an error.

youdao

对电压测量来说，理想的输入电流应为零，所以，一切输入电流都代表误差。

With voltage measurements, the input current is ideally zero; thus, any input current represents an error.

youdao