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1·The switch element generates an alternate current voltage having a quasi-higher frequency from a direct current voltage.

所述开关元件从直流电压中产生具有第一频率的第一交流电压。

2·This article describes the control principle of soft starter of alternate current electric motor, and the excellence and characteristic than normal starter.

本文阐述了交流电动机软起动控制器的控制原理，与常规的交流电动机起动控制器相比所具有的优点和特点。

3·The higher the frequency of alternate current, the higher oscillation frequency of the interface between slag pool and metal pool is, and the less amplitude is.

交流电频率越高，渣-金界面的振荡频率越大，振幅随之减小；

4·The steps of carrying on the method for measuring the life of luminescence are as follows:1 Use a sine alternate current with changeable frequency to stir up the sample;

该测 量发光寿命的方法的步骤：①用频率能够调节的正弦交流电激发样品；

5·The alternate current line side realizes the decoupling control of active power and reactive power through double closed loop and the stability of direct current voltages at the same time.

交流电网侧通过双闭环控制，实现有功功率和无功功率的解耦控制，同时具有稳定直流母线电压的能力。

6·Using commercial sodium silicate as electrolyte, aluminum surface was treated with plasma micro-arc oxidation under alternate current, film thickness increased with the increase of voltage.

以工业级硅酸钠为电解液，铝材在交流电压作用下进行等离子微弧氧化反应，电压升高，膜厚增大。

7·The utility model can solve the problems of no tight attraction, intense vibration, noise and electric arc when alternate current supplies power. The attracting voltage can be lowered to 120V;

组成能解决交流供电时产生的吸合不紧密，强烈振动、噪声、甚至发生电弧等问题。

8·The invention has high universality and is suitable for both the paper shredder adopting an alternate current motor and an induction motor and the paper shredder adopting a direct current motor.

本发明通用性强，既适用于采用交流电机、感应电机的碎纸机，又适用于采用直流电机的碎纸机。

9·After that, the author explore the factors which affect the real-time accurate measurement of the alternate current Parameters and discuss the realtime measurement methods of the alternate current.

并在此基础上分析了影响交流电参量的实时准确测量因素和交流电实时测量方法。

10·Because we are using it in combination with the hreflang attribute, we imply that the referenced Web page is a translated, alternate version of the current document.

由于我们将该属性与hreflang属性一起使用，因此意味着被引用的网页是当前文档的经过翻译的备选版本。