“prototype of kilogram”的概念、定义、翻译、参考文献-科学参考

单词	prototype of kilogram
释义	prototype of kilogram Encyclopedia 工学质量计量释 prototype of kilogram千克原器质量单位千克的实物基准器。
随便看	auxiliary variable auxillary differential equation method auxin auxiometer auxis thazard Aux matter auxochrome auxochrome group auxoflorence auxograph auxotroph Auyuittuq National Park Auzout AV avadana Ava Dynasty availability availability and serviceability availability blowdown ratio availability factor availability factor of vehicle availability heuristics availability model availability of feed mineral elements availability of nuclear power plant

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