对于大多数开关卡，相邻通道间都具有小的电容。
With most switch CARDS, there will be some small capacitance between adjacent channels.
对于切换小电流来说，开关卡的偏移电流指标应该尽可能小。
The offset current specification of the switch card should be as low as possible for switching low current.
对于兼容Keithley 7001和7002型主机的开关卡，利用卡上的跳线可连接或断开背板连接。
For some switch CARDS compatible with Keithley's Models 7001 and 7002 mainframes, jumpers on the switch CARDS enable connection or disconnection from the back plane.
对于兼容Keithley 7001和7002型主机的开关卡，利用卡上的跳线可连接或断开背板连接。
For some switch CARDS compatible with Keithley's Models 7001 and 7002 mainframes, jumpers on the switch CARDS enable connection or disconnection from the back plane.
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