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变频
释
frequency conversion
变频
把某一频率的交流信号变换成另一频率的电路。
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Hu Zhenghuan
Hu Zhengyan
Hu Zhengzhi
Huzhen Sarira-stupa
Hu Zhichuan
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Hu Zhongzi's Poems and Essays
Huzhou bamboo painting school
Huzhou city
Huzhou Museum
Huzhou Writing Brush Museum
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Huzhu Tu Nationality Autonomous County Museum
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Hu Zi
Huzi River
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Hu Zongxu
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