This paper analyses uncertainty degrees of measurement of direct-current resistance in the cable quality inspection.

本文主要分析电缆质检中导体直流电阻测量的不确定度。

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There are several alternate means of transmitting electric power, for example, by alternating or direct current, overhead or underground cable, and all over a wide range of voltages.

有多种送电途径可选择，例如由交流或直流，架室线或地下电缆送电并有各种电压等级。

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There are several alternate means of transmitting electric power, for example, by alternating or direct current, overhead or underground cable, and all over a wide range of voltages.

有多种送电途径可选择，例如由交流或直流，架室线或地下电缆送电并有各种电压等级。

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