“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。
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