Voltage and current are two most direct parameters.
电流和电压是最直观的两个电参量。
They are safe to use because they only need low voltage.
它们使用安全，因为它们只需要很低的电压。
You are told by this expression that current is proportional to the applied voltage.
这一表达方式告诉你：电流与外加电压成正比。
Both frequency and voltage are important electric parameters in power system.
频率和电压是电力系统中的两个重要电气量。
Thee resistance can be determined provided that the voltage and current are known.
译文：只要知道电压和电流，就能测定电阻。 。
Current and voltage are elementary parameters in power system.
电流、电压是电力系统的基本物理量。
Arc voltage and welding current are signal source.
以电弧电压和焊接电流为采集的信号源。
When transmission lines are at fault, the voltage and current will change violently.
当输电线网发生故障时，各相的电压、电流都会随之偏离正常工作状态。
Electrodes inside each end of the glass tube are connected to a high-voltage source.
玻璃管两端内侧的电极与一个高压电源相接。
Several zero voltage and zero current switching PWM push pull three level converters are proposed.
最后，本文还提出了另外几种零电压零电流开关PWM推挽三电平直流变换器。
First, they are functions of the applied voltage.
首先，它们是所加电压的函数。
NOTE 4 Glow discharges without drop in the voltage are neglected.
注4︰无电压降的辉光放电忽略不计。
There are both current and voltage display performance at the output port;
输出端设有电流电压双状态显示功能；
The resistance can be determined provided that the voltage and current are known.
只要知道电压和电流，就能测定电阻。
Some reasons are given and analysed on the influence of the cell's voltage.
并分析了影响小室电压的各种因素；
Two voltage grade being perfected comparatively are put forward.
提出较为完善的两个电压等级序列。
The separate operation of the main converter and the output voltage control are studied.
研究了主变换器的单独运行及其输出电压的控制。
Two multiple voltage overcurrent protections are used to realize the protection of bypass area.
综合运用两套复压过流保护，实现对旁路开关区域的保护。
The theories for voltage protection, charging protection and current break failure protection are also introduced.
此外还介绍了与母线保护配合的电压闭锁、母线充电保护、断路器失灵保护的原理及实现。
The theories for voltage protection, charging protection and current break failure protection are also introduced.
此外还介绍了与母线保护配合的电压闭锁、母线充电保护、断路器失灵保护的原理及实现。
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