prototype kilogram 中文意思是什麼
prototype kilogram
解釋
公斤原器-
The unit of mass is the kilogram which is defined as the mass of the international prototype kilogram maintained at the international bureau of weights and measures ( bipm ) in france
質量質量的單位是千克,其定義為在法國的國際計量局( internationalbureauofweightsandmeasures )所持的國際公斤原器( internationalprototypekilogram )的質量。
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