1) stannine
标准九分
2) nine year compulsory education
普九教育标准
3) novel tube
标准九脚小型管
5) classification standard
分级标准
1.
Evaluate method and classification standard on lake eutrophication;
湖泊富营养化评价方法及分级标准
2.
Research on index system and classification standard for household biogas region suitability evaluation;
户用沼气区域适宜性评价指标体系构建及分级标准的研究
3.
Simultaneity,history of the measurement technology and the classification standards are mentioned.
阐述了油中污染物的产生和影响,油液污染度测试技术的研究动向,油液污染度的分级标准的研究现状及各种分级标准的特点,重点介绍了油液污染度的测试方法及各种方法的适用性、优缺点等,指出各种方法的不同用途和潜在应用价值。
6) Grading standard
分级标准
1.
A new testing method of biotoxicity and toxicity grading standard for oiifield chemicals and drilling fluids;
油田化学剂和钻井液生物毒性检测新方法及毒性分级标准研究
2.
In order to explore the suitable way of establishing the pig carcass grading system, to achieve higher economy value with higher quality and to improve of quality of pigs in our country, the history, current situation and prospects of development pig carcass grading standards of foreign countries were summarized.
文中从探索建立适合我国国情的猪胴体分级体系,实现优质优价,促进我国商品猪品质提高的角度出发,较系统的概括了各国猪胴体分级标准的发展历史、现状及未来的发展方向。
3.
Objective To compare the prognostic value of different electroencephalography (EEG) grading standards of cerebral dysfunction after cerebrovascular diseases.
目的比较不同脑电图(EEG)分级标准对脑血管疾病后脑功能损伤评价及预测预后的作用,旨在建立脑血管疾病的EEG评估标准。
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