“氢钟”的概念、定义、翻译、参考文献-科学参考

单词	氢钟
释义	氢钟 Encyclopedia 工学频率标准释 hydrogen maser氢钟以氢原子基态两个超精细能级间跃迁频率为参考（频率为1.420405751786吉赫兹），通过锁定环路来锁定晶体振荡器，使晶体振荡器能够输出高稳定度和高准确度时间频率信号的原子钟。氢钟采用的工作原子为氢原子，又称氢原子频率标准（简称氢频标）、氢原子钟。 Physics 原子、分子物理学 hydrogen clock氢钟 Astronomy hydrogen clock氢钟
随便看	Site of National South-West Associated University Site of Nimrud Site of Olorgesailie Site of Palmyra site of Qin Palace at Xianyang Site of Qiongzhou Customs site of resistance to British Aggression at Zongshan,Jiangzi site of risk site of Sanxingdui City Site of Shipwreck at Beijiao Site of Shipwreck at Jinyin Island Site of Shipwreck at Shanhu Island Site of Song Shipwreck at Dongmenkou of Ningbo Site of Suoyang City Site of Tai'erzhuang Battle Site of the Ancient City on Yaer Lake site of the Anyuan Railway and Mine Workers' Club Site of the Army Administrate and Navy Administrate in the Qing Dynasty Site of the Army Officials School in Yunnan site of the August1 Uprising Headquarters site of the August7 Conference site of the Autumn Harvest Uprising Revolutionary Armies Joining Forces at Wenjiashi site of the Central Committee of Chinese Communist Party at Xibaipo site of the Central Organ,Chinese Socialist Youth League site of the Central Plains Bureau,Central Committee,Chinese Communist Party

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。