电路

This paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.

分析了驻极体传声器的电路模型及其传统的前置放大电路。

A circuit is a path for an electric current across a potential.

电路电路是电流通过电势的路径。

Circuit A circuit is a path for an electric current across a potential.

电路 电路是电流通过电势的路径。

E. the jointless track circuit and the electric traction track circuit with asymmetrical line parameters, the simulation modeling of track circuit interference from local line is also analyzed.

基于电化区段线路不对称轨道电路和无绝缘轨道电路同线干扰的特性分析，提出同线干扰分析数字仿真模型的建立方法。

The aim of the paper is to improve the reliability of HF generator, which is the key to decide the life of HF electrodeless light. At first, I collect and analyze the relative dates, and statistics fault models.

首先进行了与可靠性相关的数据收集与分析，对故障模式进行统计；然后从电路结构、环境应力及容差三个方面进行可靠性分析，从而为关键的可靠性设计提供了依据；接下来的可靠性设计，从电路设计、热设计、降额使用、筛选四个方面逐一解决了可靠性分析阶段发现的问题；最后，我将改良的发生器批量生产，并从中重新收集了可靠性数据进行计算，事实证明改良后高频无极灯的平均寿命已达到6万小时。

General circuit fault and is divided into control circuit fault and two types of electromagnetic coil failure.

而电路故障一般又分为控制电路故障和电磁线圈故障两类。

Inspection, the instrument can be used to measure the electromagnetic coil voltage, to see whether it has reached the rated voltage, if the voltage is too low and should be further examination of the control circuit power supply and associated trip switch circuit.

检查时，可用仪表测量电磁线圈的电压，看是否达到了额定电压，如果电压过低，应进一步检查控制电路中的电源和相关联的行程开关电路。

It is consisted of two circuits: the high frequency converter and the electromagnetic switch contact state sensing circuit without any sensor.

提出了一种互补式开关新技术，它由两个新电路构成，即高频开关变换器与电磁开关触点状态无传感器实时采样电路。

It is consisted of two circuits: the high frequency converter and the electromagnetic switch contact state sensing circuit without any sensor. There are more advantages in this technology than in those dealt with the problems in commercial frequency.

提出了一种互补式开关新技术，它由两个新电路构成，即高频开关变换器与电磁开关触点状态无传感器实时采样电路由于以高频处理方式来解决此类工频电工问题，较传统方法有更多优点，因此具备了解决上述难题的条件。

On the basis of the circuit theory,electromechanics and practical state of the electrified railways,we have made up equivalent circuit of threephase traction substations and traction power supply systems and have got external performance curves.

根据电路原理和电机学的基本理论，结合电气化铁路的实际状态，构成三相牵引变电所和牵引供电系统的等值电路，得出外特性曲线。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。