摘要
介绍了上海天文台生产的实用型氢钟的设计特点、性能指标以及它们的应用概况。
Hydrogen clocks developed by Shanghai Astronomical Observatory are described. At the same time, Hydrogen clock's design characteristics, specification performances, as well as their applications are also introduced.
出处
《中国科学院上海天文台年刊》
2001年第1期127-131,共5页
Annals Shanghai Astronomical Observatory Chinese Academy of Sciences
关键词
原子钟
氢钟
守时
atomic clock - Hydrogen clock - time keeping
