请输入您要查询的字词:
单词
氢钟
释义
氢钟
Encyclopedia
工学
频率标准
释
hydrogen maser
氢钟
以氢原子基态两个超精细能级间跃迁频率为参考(频率为1.420405751786吉赫兹),通过锁定环路来锁定晶体振荡器,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。氢钟采用的工作原子为氢原子,又称氢原子频率标准(简称氢频标)、氢原子钟。
Physics
原子、分子物理学
hydrogen clock
氢钟
Astronomy
hydrogen clock
氢钟
随便看
video textures
video traffic incident detector
video-transformer
video vehicle detector
video watermarking
vidian neurectomy
vidicon
Viehweg
viellaurit
Vienna
vienna ab initio simulation package
vienna ab-initio simulation package
vienna ab-initio simulation package, VASP
Vienna Circle
Vienna Convention on Consular Relations
Vienna Convention on Diplomatic Relations
Vienna Convention on the Law of Treaties
Vienna definition language
Vienna definition language, VDL
Vienna development method
Vienna development method, VDM
Vienna Festival
Vienna Secession
Vienna system
Vienna Terminology School
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:2026/7/29 19:35:45