This paper introduces two methods to measure the internal resistance of electric meters, the one is the substitution method and the other is the half range method.
介绍测量表头内阻的两种方法：一为替代法，一为半量程法。
This paper introduces two methods to measure the internal resistance of electric meters, the one is the substitution method and the other is the half range method.
介绍测量表头内阻的两种方法：一为替代法，一为半量程法。
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