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交流电流基准
释义
交流电流基准
Encyclopedia
工学
交流电量计量
释
AC current standard
交流电流基准
建立和保存交流电流量值的国家级计量装置。电流标准的频率范围较宽,从工频50赫兹向上至100千赫。
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tetragonometry
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tetragram
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tetrahedral
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tetrahedral bond
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tetrahedral form
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