First, this paper has introduced the operation principle of the optical waveguide electric field sensor, and built a equivalent circuit model of the electric field sensor and a system model.
本文首先介绍了光波导电场传感器的工作原理，并建立了光波导电场传感器的等效电路模型和传感系统模型。
On the base of practical transformer substation main connection, electric components and system circuit model are first formed in the paper;
本文针对中低压变电站的实际主接线建立各电气元件及系统的电路模型；
The structure also includes a connecting element used in electric connecting the first and second circuit boards.
及一连接元件，用以使该第一电路板与该第二电路板产生电连接。
A microcontroller of electric fans based on STC89C52 SCM was designed. First, First, the overall structure was designed. And then the hardware circuit and the software were designed.
基于STC 89c52单片机设计电风扇的控制系统，首先进行总体设计，然后进行硬件电路设计与软件设计，最后试制出电风扇原型机。
The first circuit and the second circuit are mutually connected in parallel in the electric source wire.
所述第一电路与所述第二电路相互并联地连接在所述的电源导线上。
The first circuit and the second circuit are mutually connected in parallel in the electric source wire.
所述第一电路与所述第二电路相互并联地连接在所述的电源导线上。
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