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

单词	primary measurement standard
释义	primary measurement standard Encyclopedia 工学测量标准释 primary measurement standard原级测量标准使用原级参考测量程序或约定选用的一种人造物品建立的测量标准。简称原级标准（primary standard）。
随便看	Jiankang Landscape architecture during the Wei,Jin and Southern and Northern Dynasties(221-589 AD) Jiankang Shilu (Chronicles of Jiankang) Jian Kiln Jiankun jianli jianliao jianling decoction Jianli Shi Jianmenguan tourist area Jianmen Shan Jianmen Shudao Fengjing Mingshengqu Jianmen Shudao Scenic and Historic Area Ji'an Museum Jiannandao Jianning Xian Jianou Shi Jianping human remains Jianping Xian jianpi pill Jian Qingfu Jiansequn Jianshan Qu jianshi Jianshi Homo Erectus Site Jianshi human remains

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。