“national time scale primary standard”的概念、定义、翻译、参考文献-科学参考

单词	national time scale primary standard
释义	national time scale primary standard Encyclopedia 工学时标释 national time scale primary standard原子时标国家计量基准 1983年经国家质量监督检验检疫总局批准，由中国计量科学研究院（NIM）国家时间频率计量中心建立和保持的原子时标UTC（NIM）。是统一全国时间频率量值的最高依据。
随便看	Western Returned Scholars Association Western Returned Scholars Association·Overseas-educated Scholars Association of China Western Route Army Western Sahara Western Saharans Western Schism Western School Writer Western sect of Taoism Western sports thought western style suit western system of civil service western theoretical psychology Western Tien-Shan Western Tombs of the Qing Dynasty western traditional vocal music art Western Türk Western Wei Dynasty Western Xia adherents Western Xia currency Western Xia Dynasty Western Xia Dynasty music Western Xia manuscripts collected in China Western Xia records in the collection of the Institute of Oriental Manuscripts of the Russian Academy of Sciences (IOM RAS) Western Xia salt and wine monopoly Western Xia warehouse

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。