It is generally unnecessary to verify the isolation capacitance on a switch card, because the capacitance is a mechanical function and should not change over time.
由于电容属于一种机械性能，并且不应随时间发生变化，所有通常必须要验证开关卡上的隔离电容。
In commercially available switching hardware, RCH and CCH are referred to as channel isolation (given in resistance and capacitance) or as channel-to-channel crosstalk (given in dB rejection).
在商用的切换硬件中，RCH和CCH被作为通道隔离(以电阻和电容给出)或“通道-通道”串扰(以抑制dB给出)。
In commercially available switching hardware, RCH and CCH are referred to as channel isolation (given in resistance and capacitance) or as channel-to-channel crosstalk (given in dB rejection).
在商用的切换硬件中，RCH和CCH被作为通道隔离(以电阻和电容给出)或“通道-通道”串扰(以抑制dB给出)。
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