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1·Then current through C1, RT forms the return circuit-preheating filament.

于是，电流通过C1、Rt形成回路预热灯丝。

2·The value of this current is limited by earth leakage resistance of the return circuit versus earth.

该电流值受回路对地的接地泄漏电阻限制。

3·Its main return circuit adopts thyristor contactless switch, so can turn off circuit quickly, precisely and reliably.

该系列点焊机主回路均采用晶闸管无触点开关，电路关断时间快、准确、可靠。

4·System is it is it is it feedback comparison circuit of return circuit finish to utilize to control rapidly to adjust.

系统调速控制是利用反馈回路中的比较电路来完成。

5·Any subtle change of capacitance can be measured through the method of modulation on high-frequency harmonic oscillation return circuit.

电容的微小变化可通过对高频谐振回路调制的方法进行测量。

6·Based on the ampere return circuit theorem, gauss theorem and charge conservation law the concrete form of Displacement current is derived.

本文从安培环路定理、高斯定理及电荷守恒定律出发导出了位移电流的具体形式。

7·The second control return circuit is composed with a mutually connected weight limit switch, security door by-pass switch and a middle relay.

第二控制回路由互相串联的限重开关、安全门旁行程开关和中间继电器组成。

8·SPWM is a set of constant amplitude but unconstant width rectangular serial pulse produced by control return circuit to approximate sinusoidal voltage waves.

(正弦脉宽调制)是由控制回路产生一组等幅而不等宽的矩形脉冲列，用来近似正弦电压波。

9·This paper derives the characteristic formula of control pressure in hydro-control check valve and the mechanical characteristics formula of inlet and return circuit.

本文推导了液控单向阀的控制压力特性方程、进油和回油回路机械特性方程。

10·The use of PE line in TN system and TT system is analyzed, and the characteristics of lighting return circuit in residence and the advantages of adding PE line are discussed.

对PE线在TN系统与TT系统中的作用进行了分析，讨论了住宅内照明回路的特点及增加PE线后的优点。