“原子时标国家计量基准”的概念、定义、翻译、参考文献-科学参考

单词	原子时标国家计量基准
释义	原子时标国家计量基准 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	bibliography of epigraphy bibliography of forbidden books bibliography of local chronicles Bibliography of Local Chronicles in Ancient China Bibliography of Local Chronicles in Ming Bibliography of Local Chronicles in Zhejiang Province bibliography of local literature bibliography of science and technology literature Bibliography of Special Studies on the History of Chinese Literature Bibliography of Study of Oracle Bone Inscriptions Bibliography of the History of Chinese Literature bibliography of the social sciences literature bibliography of the works of Marx and Lenin Bibliography of Translations Bibliography of Western Learning Bibliography of Works Published in Taiwan Region on the History of Chinese Literature bibliography on specific topic bibliography related to a specific book bibliometric analysis bibliometric method Bibliometrics bibliometrics bibliometrics methods Biblioteca Apostolica Vaticana Biblioteca Nacional Mariano Moreno

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。