“secondary standard material”的概念、定义、翻译、参考文献-科学参考

单词	secondary standard material
释义	secondary standard material Chemistry ＞分析化学＞标准物质＞释义 secondary reference material二级标准物质
随便看	transitional care transitional cell transitional coal-accumulating environment Transitional Community transitional epithelium transitional invariance transitional light transitional pension transitional phenomenon transitional sampling technique transitional vesicle transitional zone transition amplitude transition-based dependency parsing transition between levels transition boiling transition coefficient transition component transition condition transition constraint transition curve transition density transition density function transition diagram transition diffeomorphism

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。