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计算电容基准
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计算电容基准
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电学量计量单位的复现
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calculable capacitor
计算电容基准
横截面的尺寸无需测量而只需测定其轴向长度即能确定电容大小的特殊电容基准装置。由于能直接溯源至准确度更高的长度标准,所以成为各个国家的电容国家基准装置,用来复现和保持电学单位中的法拉(Farad)和欧姆(Ohm)。
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museum education activity reference room
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Museum Enterprise
museum equipment leasing room
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Museum Exhibition Design:Concepts and Practices
museum exhibition design management
Museum Exhibition of the Royal Asiatic Society
Museum Exhibition Planning and Design
Museum Exhibition:Theory and Practice
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museum feasibility study report
museum film and television hall
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museum fire fighting system
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