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功率天平
释义
功率天平
Encyclopedia
工学
电学量计量单位的复现
释
Watt balance/Kibble balance
功率天平
利用电功率与机械功率的平衡,测定电功率单位SI量值的装置。也可以用于测量普朗克常数h和质量单位千克的复现。
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guided system
guided wave
guided wave exploration
guided wave optical device
guided-wave optical integrated materials
guided wave optics
guide line
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guide Line protection
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Guidelines for Japan-US Defense Cooperation
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Guidelines for Journalists and an Annex
Guidelines for Professional Library/Information Education Programs
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