查询词典 mains frequency

In this process, the supply frequency of the motor is not changed; it is always identical to the relevant mains frequency.

在此过程中，电机的供应频率是不变的。它总是与相关的主频率相同。

The mains frequency is 50Hz in the Soviet Union and Europe,and 60Hz in the United States.

The频率范围内的水管是在苏联和欧洲的50赫兹，以及在美国States。

My "mains" frequency is 60 Hz.

我的市电频率是60Hz。

What we need is a waveform-less voltage, otherwise we'd hear the twice mains frequency waveform.

但我们需要的是没有波形的电压，否则我们会听到交流电源频率两倍的声波，以及大量失真。

As a rule, the mains frequency is imposed on the wind turbine.

原则上，主电网频率是强施于风机上的。

In the case of wind turbines operating in parallel with the mains, a fixed mains frequency is assumed.

在风机与主电网并行运行情况下，应设定固定主电网频率。

Instead, they rotate synchronously with the mains frequency.

相反，他们会随着主频同步转动。

The display operates at mains frequency and the output is approx 120v AC.

显示器工作在电源频率和输出是大约120伏特交流电。

The problem depends on how producing enough electric power when low rotate speed, and how be its changeover mains frequency with best method.

难题取决于怎样在低转速时型成足够的电能，以及怎样用最好的办法把其转化为电网周率。

Therefore it can be seen that it will "smooth" the "twice mains frequency DC" into a near constant DC voltage.

因此它可以把"两倍于电源频率的直流电"进行"平滑化处理"，成为一个接近恒定的直流电。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。