constant voltage constant frequency 恒压恒频 ; 定频率
constant voltage frequency 恒压频
Constant Voltage and Constant Frequency 恒电压 ; 恒压与恒频 ; 常压恒频装置
constant voltage frequency conversion adjustment 恒压变频调节
constant frequency and constant voltage 稳定的频率和电压
constant voltage constant frequency -cvcf 恒压恒频
constant-voltage constant-frequency system 恒压恒频系统
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。
The basic principle of frequency and constant voltage water supply is discussed, as well as its application in pump station.
初步讨论变频恒压供水的基本原理及其在泵站中的应用。
We design a suit of aviation AC excitation generator system, it insures the output voltage is constant frequency and constant voltage.
我们设计了一套航空用交流励磁发电机系统，以保证输出电压恒频恒压。
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