“the primary standard for line scale metrology”的概念、定义、翻译、参考文献-科学参考

单词	the primary standard for line scale metrology
释义	the primary standard for line scale metrology Encyclopedia 工学线纹计量技术释 the primary standard for line scale metrology一维线纹计量基准用于一维线纹计量器具校准和溯源，统一全国线纹量值的国家计量基准。
随便看	efficiency of electrical injection efficiency of estimate efficiency of exploitation and utilization efficiency of generator efficiency of grafting efficiency of grafting; grafting efficiency efficiency of health care service efficiency of heat engine efficiency of heat preservation of agricultural facilities efficiency of hydraulic turbine efficiency of initiation efficiency orientation of public administration efficiency supervision of urban and rural planning efficiency test of hydro-generator unit efficiency test of water turbine efficiency wage efficient efficient algorithm efficient catalytic materials efficient criterion efficient divisor efficient estimate efficient estimator efficient frontier portfolio efficient generation

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