“national certified reference material”的概念、定义、翻译、参考文献-科学参考

单词	national certified reference material
释义	national certified reference material Encyclopedia 工学〔化学计量基本概念〕释 national certified reference material国家标准物质经国家计量行政部门批准，用于统一量值的标准物质。
随便看	recurrent disturbance recurrent education recurrent equation recurrent eruption recurrent event recurrent event data recurrent explosion recurrent flare recurrent flares recurrent formula recurrent function recurrent gene flow recurrent inequality recurrent inhibition recurrent line recurrent Markov chain recurrent measurable transformation recurrent method recurrent motion recurrent network recurrent neural network recurrent nova recurrent outburst recurrent parent recurrent point

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。