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16 天
开关模式电源(Switch Mode Power Supply,简称SMPS)
现代开关模式电源(SMPS)使用固态开关将未调节的直流输入电压转换为不同电压水平的稳定且平滑的直流输出电压。输入电源可以是来自电池或太阳能电池板的真正直流电压,也可以是使用二极管桥和一些额外电容滤波的交流电源整流后的直流电压。
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今日热点
US boxing legend dies
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US agency kills CO wolf
68 bridges need assessment
Baseball card sells for $1M+
To handle student loans
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SBA to cut workforce
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Methane-detecting satellite
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Musk visits Pentagon
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Toronto plane crash report
US sells rockets to Saudi
Pipe bomb attack plea
US Treasury lifts sanctions
Minnesota senator resigns
1st NCAA Tournament win
Topples civil rights offices
Judge grills DOJ
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