“cesium clock”的概念、定义、翻译、参考文献-科学参考

单词	cesium clock
释义	cesium clock Encyclopedia 工学频率标准释 cesium clock铯钟利用铯（133Cs）原子基态两个超精细能级间跃迁作为频率参考（在不受外场干扰的条件下，频率为9.192631770吉赫），通过锁定环路锁定晶体振荡器，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。采用的工作原子为铯原子，又称铯原子频率标准（简称铯频标）、铯原子钟。 Astronomy cesium clock铯钟
随便看	birational correspondence birational equivalence birational geometry birational group birational invariant birational isomorphism birationally equivalent birationally equivalent curve birationally equivalent curves birationally equivalent schemes birationally invariant birationally isomorphic birational mapping birational model birational morphism birational transformation birational transformation group Birch Birch and Swinnerton-Dyer Birch conjecture Birch equation birch family Birch-Murnaghan equation of state Birch reduction bird and mammal damage to forest

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。