电压

B Direct current with the positive pole earthed and the negative pole connected to the test electrode by means of a low capacitance unscreened lead.

b直流电源的正极接地，负极由一根低电容的非屏蔽电线与试验电极连接。电源输出电压应为脉动因数不大于5%的直流电压。

Control strategy for VSC-HVDC system under unsymmetry of three phase voltage .

三相电压不对称时带有电压源换流器的HVDC系统的控制策略。

Potentiometer is actually a variable resistor, because of its role in the circuit is to obtain the input voltage into a fixed relationship between the output voltage too, so called potentiometers.

电位器实际上就是可变电阻器，由于它在电路中的作用是获得与输入电压成一定关系得输出电压，因此称之为电位器。

And then the classical conclusion drawn from the voltage vector diagram can serve as a straight and convenient guide to the research and operation analysis of the impedance protection.

因两种图形方法所在的复平面不同，故建立电压平面与阻抗平面的几何关系，以利采用电压相量图法所得的经典结论，对阻

Vector synthetic method has high measure precision but reference energy meter needs to be connected to zero point of reference meter and system.

三表法测量无间断点，校验过程中需改变电流元件接线；矢量法采样精度高，校验时需标准表与系统电压中性点连接；两表法测量有间断点，校验时需改变电压元件接线。

On the basia of hexagon stator flux trace method with Band-Band control,some improvements are made in the paper on the key sector such as the observation of magnetic field and a new scheme of polygon voltage vector control is presented in order to realize the fast regulation when three-value regulation is used to adjust torque.

使用两点式调节方法对定子磁链进行调节，实现六边形或圆形磁链轨迹方案，并在此基础上对直接转矩控制的关键环节磁通观测提出了改进意见，提出一种基于空间电压矢量调制理论的多边形电压矢量控制方案，以运用三值转矩控制方式实现转矩的快速调节。

The distribution of electron beam velocity ratio and velocity spread on axis was discussed, and the effects of the anode voltage on electron beam performance was studied.

给出了电子束速度比、速度零散沿轴线的分布，进而讨论了阳极电压对电子束性能的影响，结果表明选择适当的阳极电压和阴极磁场对得到好的电子束参量作用明显。

During the voltage range which exceeds the maximum tested voltage of VIN, operation is assured, but not specified.

在电压范围超过了最高电压VIN的考验，运行是有保证的，但没有规定。

Work begins with the improvement of volt-ampere characteristics of voltage instrument transformer, to ensure that saturation phenomenon does not appear.

从改善电压互感器伏安特性着手，使电压互感器在运行中不出现饱和现象。

Due to the high degree of voltage amplification, this stage regenerates the voltage swing and the rise time of the incoming signal.

因电压放大的高倍数，这一级一则改变输入电压的摆幅，二则改变引入信号的上升时间。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。