“primary reference material”的概念、定义、翻译、参考文献-科学参考

单词	primary reference material
释义	primary reference material Encyclopedia 工学〔化学计量基本概念〕释 primary reference material基准标准物质在化学测量领域中用作原级（基准）测量标准的物质。是化学测量溯源体系的顶层物质基础，也是有证标准物质的最高等级。 Chemistry ＞分析化学＞标准物质＞释义 primary reference material基准物质＞分析化学＞标准物质＞释义 primary reference material一级标准物质
随便看	treating different diseases with same method treating excess syndrome with purgative methods treating false-cold syndrome with cold methods treating false-heat syndrome with heat methods treating heat syndrome with cold methods treating obstructive syndrome with dredging methods treating obstructive syndrome with tonifying methods treating same disease with different methods treating the lung to subdue hyperactivity of the liver treating the spirit treatise Treatise Concerning the Principles of Human Knowledge Treatise of Lu Ban Treatise of the Jewel-nature of Ultimate Single Vehicle Treatise on Architectural Methods Treatise on Astrology in the Kaiyuan Reign Treatise on Calligraphy Treatise on Classics from the Book of Sui Treatise on Cold Damage and Other Diseases Treatise on Cold Pathogenic Diseases Treatise on Epidemic Febrile Diseases Treatise on Etiquettes Sealed at Shiqu Library Treatise on Literature from the Book of Han Treatise on Poetics Treatise on Poetry of the Dai People

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。