“variable-speed constant-frequency”的概念、定义、翻译、参考文献-科学参考

单词	variable-speed constant-frequency
释义	variable-speed constant-frequency Encyclopedia 工学飞机电力系统释 variable-speed constant-frequency变速恒频电源系统飞机电力系统中，随着电力电子技术的发展和应用，通过变换器把因为发动机或附件机匣转速变化，发电机输出的交流电频率亦随之变化的变频交流电变换为恒频交流电的电源系统。
随便看	water conservancy informatization planning water conservancy in pastoral area water conservancy institutions in Australia water conservancy institutions in Canada water conservancy institutions in Egypt water conservancy institutions in France water conservancy institutions in India water conservancy institutions in Israel water conservancy institutions in Japan water conservancy institutions in Kazakhstan water conservancy institutions in Mexico water conservancy institutions in Netherlands water conservancy institutions in Pakistan water conservancy institutions in Thailand water conservancy institutions in the United States water conservancy machinery water conservancy machinery in ancient China water conservancy management water conservancy migration management information system Water Conservancy Newspaper Clippings of Republic of China water conservancy of ancient Beijing city water conservancy of ancient Chengdu city water conservancy of ancient Jingzhou city water conservancy of ancient Shaoxing city water conservancy of ancient Shouzhou city

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