“基准标准物质”的概念、定义、翻译、参考文献-科学参考

单词	基准标准物质
释义	基准标准物质 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。
随便看	gradient vector field gradient wind grading grading approach grading function grading management of blasting engineering grading nursing care Grading of Ancient and Modern Calligraphers Grading of Calligraphers grading of collection Grading of Famous Painters of Great Dynasty grading of reading grading of thrombolysis in myocardial infarction grading set grading system of asphalt grading-up cross gradiomanometer gradiometer gradiometry technology gradual and sudden change Gradual awakening gradual burst gradual control gradual ionospheric disturbance gradual production

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。