请输入您要查询的字词:
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
computer-aided translation
computer-aided translation, CAT
computer algebra
computer algebra package
computer algebra systems
computer and information sciences
computer animation
computer application
computer architecture
computer architecture simulation
computer arithmetic
computer art
computer-assisted anatomical teaching
computer-assisted career guidance systems
computer-assisted cartography
computer assisted communication
computer-assisted dictionary compilation
Computer-assisted Foreign Language Testing
computer-assisted instruction
Computer assisted language learning
computer assisted language test
computer assisted language test on web
computer assisted library design
computer-assisted library design
computer-assisted microform retrieval system
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/3/14 18:38:54