“喷泉钟”的概念、定义、翻译、参考文献-科学参考

单词	喷泉钟
释义	喷泉钟 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	shell star Shell-storing Bronze Container shell structure shell structure furniture shell supernova remnant shell temperature shell theory Shell煤气化炉 shelterbelt shelterbelt planting shelterbelt program for Huaihe River and Taihu Lake shelterbelt program for Liaohe River shelterbelt program for middle reaches of Yellow River shelterbelt program for Pearl River shelterbelt program for upper and middle reaches of Yangtze river shelterbelt system construction project in the upper and middle reaches of the Yangtze River in China sheltered anchorage of fishing boat sheltered housing sheltered workshop shelter-forest project in the north, northeast, and northwest China shelter,vehicle and room for electronic equipment shelterwood cutting She Lun shelving shelving by content

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。