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

单词	primary standard material
释义	primary standard material Chemistry ＞分析化学＞标准物质＞释义 primary reference material一级标准物质
随便看	chain referral sampling chain rigidity chain ring chain rule chain sampling inspection chain saw chain scheduling chain scission degradation chain segment chain semi flexibility chain semi-flexibility chain shift chain shuttling polymerization chain sorter chain space chain statistics chain stitch sewing machine chain-store paradox chain structure chain subcomplex chain tales chain terminal chain termination chain termination agent chain termination reaction

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。