“metrology in the field of time and frequency”的概念、定义、翻译、参考文献-科学参考

单词	metrology in the field of time and frequency
释义	metrology in the field of time and frequency Encyclopedia 工学时间频率计量释 metrology in the field of time and frequency时间频率计量利用秒作为基本单位的测量及其应用的科学。是实现时间频率相关量单位统一、量值准确可靠的活动，计量学的分支之一。
随便看	Changjiang Daily Press Group Changjiang Distinguished Professor Changjiang Lizu Zizhixian Changjiang motorcycle Changjiang Qu Changjiang River diluted water Changjiang River Scientific Research Institute Changjiang Sanjiaozhou Changjiang Sanjiaozhou Chongji Pingyuan Chang Jiang Scholars Program Changjiang Tunnel in Shanghai Changjiang Water Resources Commission of the Ministry of Water Resources Changjiang Zhongxiayou Pingyuan Changjiang-Zhuzhou-Xiangtan Guojia Zizhu Chuangxin Shifanqu Changjiang-Zhuzhou-Xiangtan Liangxing Shehui Zonghe Peitao Gaige Shiyanqu Changjiang（Yangtze）River Three Gorges Hydroproject Chang Jianjun Changjia Quan Changjia Zhuangyuan Changji Huizu Zizhizhou Chang Jin Chang Jing Chang Jingzhi Changjinho Changji Shi

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。