“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	Central Publishing Bureau of the Temporary Central Government of Chinese Soviet Republic central PV inverter central quadric curve central quadric hypersurface central quadric surface central quotient central quotient group central radio and television program wireless digital coverage project central rapidity region central ray central reflection central reflection transformation Central Region Central Research Institute of Agriculture Central Research Institute of Building and Construction Central Reserve Bank of the El Salvador central retinal artery occlusion central ridge rift in mid-oceanic ridge Central Russian Upland Central Saint Martins College of Art and Design central scheme Central Secretariat central section central separable algebra central sequence

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