“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	nested logarithm nested loop method nested mating design nested PCR-DGGE nested PCR-RFLP nested plots nested polygon nested polymerase chain reaction nested query optimization nested radical nested radical constant nested recursion nested root nested sampling nested set model nested sets nested space nested space-filling design nested square nested transaction nested X-ray telescope N. E. Steenrod N. E. Steenrod (1910—1971) nest form boron compound nesting

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。