It is common for the direct current circuit to be interfered by alternating current voltage.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。
With an analysis of a direct current circuit as an example, it can use several common DC analytical approaches to solve a subject.
以一道直流电路分析题为例，把常用的几种直流电路分析方法贯穿起来解答，以便读者加深对其辨析和理解。
Direct current circuit is the elementary one of the circuit, so it is the most meaningful to the subject electrics to study the chapter, direct current circuit, well.
直流电路是电路中最基本的电路，学好直流电路这一章对《电工学》的学习有着极大的意义。
Direct current circuit is the elementary one of the circuit, so it is the most meaningful to the subject electrics to study the chapter, direct current circuit, well.
直流电路是电路中最基本的电路，学好直流电路这一章对《电工学》的学习有着极大的意义。
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