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继电器触点
[电] relay contact
- 每行还通过继电器触点的漏泄电阻和电容耦合到每一列。
Each row is also coupled to each column through the relay contact leakage resistance and capacitance. - 冷切换还不会在继电器触点引起电弧，以及电弧引起的射频干扰（RFI）。
Cold switching also eliminates arcing at the relay contacts and any RFI that might be caused by arcing. - 如果负载电阻被直接连接到伏特计的输入端子，通过继电器触点的电流会产生电压降，测得的电池电压将存在误差。
If the load resistor was connected directly across the voltmeter input terminals, the current through the relay contacts would cause a voltage drop and the measured cell voltage would be in error.
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