查询词典 alternating current

The Alternating Polarity Method applies a bias voltage of positive polarity, then the current is measured after a specified delay.

变换极性法施加一个正极性的偏置电压，然后在规定的延迟时间后测量电流。

Micro-voltmeter Capable of measuring either alternating or direct current voltage within an accuracy of 2%.

能测量交流或直流电压在精确度2%之内的微型伏特表。

Frequency Frequency is the number of complete cycles per unit of time of any periodically varying quantity, such as alternating voltage or current.

中国吃的文化是由来已久，但怎样把中国吃的文化介绍出去，怎样用英文来表。。。

Frequency is the number of complete cycles per unit of time of any periodically varying quantity, such as alternating voltage or current. It is usually expressed as Hertz or CPS.

频率频率是指周期性变化的事物在单位时间内完成的周期数，常用单位是赫兹或周期/秒。

Data communication ; IDC Internet data center ; Alternating UPS ; High voltage direct current UPS power supply system

数据通信； IDC互联网数据中心；交流UPS供电系统；高压直流UPS供电系统

It was found that the nonlinear current-voltage curve is the intrinsic property of WO〓 polycrystalline ceramic, and the curve is asymmetrical with very different behavior under applied direct and alternating voltage.

我们发现，非线性是WO〓多晶陶瓷的本征性质，伏安特性曲线是不对称的，而且交直流行为完全不同。

In order to eliminate integration drift in 3-phase alternating large current measurement apparatus, the substitution of inertia link (approximate integration circuit) for the integration circuit is proposed by our Research Group.

为了解决三相交流大电流测量装置中的"积分漂移"问题，我们科研组采用惯性环节取代积分电路。

AVO analysis is suggested for solving to solve the difficulty in identification of thin alternating layers in exploration of oilfields. It can improve the current method that has no thickness variable in the formula of reflective and is limited by sampling rates in calculation of the coefficient in the time of domain. Using the relationship of stress and displacement on two interfaces, this paper derives the spectrum of reflective coefficient for any incidence angle and thiekness of thim layer based on the equation of seismic wave propagation in the frequency domain.

针对油气田开发中薄互层认识难的问题，提出从AVO分析解决困难，克服现有方法在反射系数公式中无厚度变量、时间域计算反射系数谱受采样率限制的不足，运用两个界面间位移与应力关系，从频率域地震波传播方程推导了任意入射角和薄层厚度下的反射系数谱。

The features and application scope of different alternating and direct current motors used as the drive device of gear pump were compared.

对比了使用不同类型的交、直流电机作为齿轮泵驱动装置的特点和应用范围。

According to self-induction characteristic of the coils in alternating circuit, a kind of lamp switch that can eliminate the surge current at the moment of the incandescent lamp being started is produced.

运用交流电路中线圈的自感特性，制成一种白炽灯的延寿节电开关，它可消除白炽灯起动瞬间的浪涌电流，延长白炽灯寿命，节约用电

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。