“秒长国家计量基准”的概念、定义、翻译、参考文献-科学参考

单词	秒长国家计量基准
释义	秒长国家计量基准 Encyclopedia 工学频率标准释 national primary frequency standard秒长国家计量基准直接复现秒定义的实验装置。输出的标准频率具有最高计量学特性，作为统一全国秒长量值（频率量值）最高依据的计量器具，全国只有一套。
随便看	Collected Studies on Chinese Opera Collected Studies on Opera and Fiction Collected Tales of Brilliant Notables Collected Textual Criticism on Nine Chapters on the Art of Mathematics Collected theses of Qi Gong Collected Traditional Plays of Henan Opera Collected Tunes of Yangju Opera Collected Variety and Romance Plays of Tang Ying Collected Variety Plays of Fu Yichen Collected Views of Calligraphy and Painting collected works Collected Works of Bian Huaquan Collected works of Chen Xiang,block-printed edition,thirty-first year of Shaoxing era by Chen Hui,Song Dynasty Collected Works of Diaoji Collected Works of Fang Zhou Mr.Zhang Collected Works of Fan Zhongyan (Fan Wenzhenggong Wenji), block-printed edition, Northern Song Dynasty Collected Works of Gu Huayu Collected Works of Han Yu/Collected Works of Liu Zongyuan Collected Works of He Wenjian Collected Works of Hu Yan Collected Works of Kong Zang Collected Works of Li Taibai Collected Works of Liu Suizhou Collected Works of Lou Yue , block-printed edition, Song Dynasty Collected Works of Mao Zedong's rural survey

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。