“indirect frequency conversion circuit”的概念、定义、翻译、参考文献-科学参考

单词	indirect frequency conversion circuit
释义	indirect frequency conversion circuit Encyclopedia 工学变频电路释 indirect frequency conversion circuit间接变频电路经过两次以上的变换，将一种频率的交流电转变为另一种频率的交流电的电路。
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