“primary standard machine of vickers hardness”的概念、定义、翻译、参考文献-科学参考

单词	primary standard machine of vickers hardness
释义	primary standard machine of vickers hardness Encyclopedia 工学硬度计量技术释 primary standard machine of vickers hardness维氏硬度基准装置用来复现和保存维氏硬度量值单位，用作统一中国维氏硬度值的最高依据的装置。由中国计量行政部门批准建立。
随便看	lower transit lower triangular group lower triangular matrix lower triangular matrix and upper triangular matrix decomposition lower-trimmed subsequence Lower Tunguska River lower unitriangular matrix lower urinary tract infection lower urinary tract lithalasis lower urinary tract symptoms lower value lower variation LOWESS robust regression estimation LOWESS稳健回归估计 lowest astronomical tide lowest common denominator lowest common multiple lowest divisor function lowest-observed-adverse-effect level lowest price standard for national industrial land transfer lowest term lowest terms fraction lowest unoccupied molecular orbit lowest unoccupied molecular orbital lowest unoccupied molecular orbital (LUMO)

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