美国石油协会美国石油学会美国油量计量标准
american petroleum institute
标准差准则
standard deviation principle
标准计量方法
Standard Method of Measurement
不可持续性指标标准值
standard value of unsustainability
大尺寸计量标准
Large dimension metrology standard
估计量标准误
standard error of estimator
光学计量标准器
Optical metrology standard set
国家海洋标准计量中心
National Center of Oceanographic Standards and Metrology
National Center of Ocean Standard and Metrology
National Marine Standards and Metrology Center
核标准计量与质量
he biaozhun jiliang yu zhiliang
计量标准器具
measurement standard instrument