“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	Yu Chu Xin Zhi Yu Chu Zhi Yuci Qu Yu Cong Yucun Yucun's Commentary on Fu Poetry Yu Dafu Yu Dejun Yu Delin Yu Deuk-gong Yu Dong Yudong Zhen Yu-drum Yudujun Shan Yudu Xian Yudzhen Zhou Yue Ban Yue Bochuan Yuecheng Ling Yuecheng Longmu Zu Miao Temple Yuecheng Reservoir Yuechi Xian Yue Chu Yue Dao Yue dialects

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。