“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	north frigid zone North Galactic Cap north galactic-polar spur North Galactic Pole north galactic spur North Gas Field North German Confederation North-Guangdong Subgroup of Hakka Dialects north heliographic pole North Hot Spring Park North Institute for Scientific and Technical Information North Island north levee of Hutuo river North Macedonia North Maluku North Manchurian Plague Prevention Service north north temperate belt North Pacific Anadromous Fish Commission North Pacific Coast Guard Forum North Pacific currents North Pacific Gyre Oscillation North Pagoda at Chaoyang North Pagoda at Shaoyang north point North Polar Basin

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