“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	Collected Plays of Gansu Province’s Indigenous Opera Collected Plays of Hebei’s Indigenous Opera Collected Plays of Jiang Shiquan Collected Plays of Late Qing Opera Collected Plays of Song Variety Drama Collected Plays of Tang Xianzu Collected Plays of The Dream of the Red Chamber Collected Poems by Government Officials in the Reviving Period of Tang Collected Poems by Poets from Jiangsu Collected Poems by Poets from Zhejiang Province Collected Poems of Du Fu Collected Prologues to Suzhou-dialect Tanci Storytelling Collected Quatrains From the Tonight Studio Collected Quatrains on Painting Collected Rare Plays of Peking Opera Collected Records of Calligraphies and Paintings Collected Records of the Northern Alliance during Three Reigns Collected Rituals of Worshiping Confucius in Shandong Collected Scores of Changsha Flower Drum Opera Collected Scores of Huju Opera Collected Scores of Percussion Music in Peking Opera Collected Scores of Yu Sulu Collected Scripts of Suzhou Pingtan Storytelling Collected Shanzuo Ci-Poems from Stone Lotus Studio Collected Singing Tunes of Henan Bangzi Opera

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。