测试点可容纳包括电压表或示波器探头。
Test points can included to accommodate voltmeter or oscilloscope probes.
当电压表测量探头2和探头3之间的电压降时，该交流电流在r3上产生的电压降就会引起错误的结果。
The resulting voltage drop across r3 will cause erroneous results when the voltmeter measures the voltage drop between probes 2 and 3.
当电压表测量探头2和探头3之间的电压降时，该交流电流在r3上产生的电压降就会引起错误的结果。
The resulting voltage drop across r3 will cause erroneous results when the voltmeter measures the voltage drop between probes 2 and 3.
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