1) two-dimensional hierarchy of criteria
二维层级标准
2) Ⅱ grade standard
二级标准
1.
Experience approves that the water quality after treatment by rebuild engineering reaches Ⅱ grade standard of "Integrated Wastewater Discharge Standard" (GB 8978-1996).
实践证明,改造工程处理后的水质可以满足《污水综合排放标准》(GB8978-1996)二级标准。
3) Reference standard,secondary
二级标准品
4) secondary standard
副标准，二次标准，二级标准，次级标准
5) secondary discharged standard
二级排放标准
6) secondary standard viscosity liquid
二级标准粘度液
1.
The uncertainty of measurement of the secondary standard viscosity liquid was classified into four aspects: the uncertainty of measurement of the measurement method, the uncertainty of measurement of the standard viscometer constant, the uncertainty of measurement of the flow time and the uncertainty of measurement of the non stability of the secondary standard viscosity liquid.
简述了测量运动粘度的基本原理 ,根据运动粘度的计算公式 ,将二级标准粘度液定值的不确定度分解成测量方法引入的不确定度、标准粘度计常数引入的不确定度、流动时间引入的不确定度和标准粘度液的不稳定性引入的不确定度。
补充资料：德国国家标准(见德国标准化学会、德国标准体系)
德国国家标准(见德国标准化学会、德国标准体系)
National Standards of Germany: see Deutsches Institut für Normung, DIN;standards system of Germany
Oeguo Guol心日icozhun德国国家标准(Natio.吐S加Ln山切曲of Gen”旧ny)见德国标准化学会;德国标准体系。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条