“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	finite space finite speed of propagation finite square well finite-stage model finite standpoint finite state finite-state automaton finite-state channel finite state grammar finite-state grammar finite-state language finite-state sequential machine finite state system finite state transducer finite state transition matrix finite state transition network finite storage space finite straight line finite strain and stress finite strain measurement finite strip method finite subcovering finite subgroup finite subset finite sum

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。