“fountain clock”的概念、定义、翻译、参考文献-科学参考

单词	fountain clock
释义	fountain clock Encyclopedia 工学频率标准释 fountain clock喷泉钟通过激光冷却技术制备冷原子团，然后利用激光频率的特定变化把原子团上抛，由于重力作用，原子团到达顶点之后自由下落形成原子喷泉，在冷原子上升下落过程中将微波频率锁定到原子基态超精细能级跃迁的频率上，从而得到钟跃迁频率的原子钟。又称冷原子喷泉钟。 Astronomy fountain clock喷泉钟
随便看	extremely high energy cosmic ray extremely high mountains in China extremely-high tension generator extremely large museum Extremely Large Telescope extremely large telescope Extremely Loud & Incredibly Close extremely low-mass white dwarfs, ELM WDs extremely luminous infrared galaxies extremely red object extremely red objects, ERO extremely small population extremely strong wind extremely thin silicon on insulator field effect transistor extreme mean extreme metal-poor star extreme metal-rich star extreme metamorphism extreme observation extreme optical path extreme order statistic extreme parallelogram extreme path extreme pathway extreme pathway analysis，EPA

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。