“氢钟”的概念、定义、翻译、参考文献-科学参考

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	Principles for Responsible Investment in Agriculture and Food Systems Principles for the Conservation of Heritage Sites in China principles of agricultural market access principles of ancient Chinese architecture Principles of Architecture principles of archival restoration Principles of Behavior: An Introduction to Behavior Theory Principles of Chemical Engineering principles of clinical medicine principles of collection conservation principles of compensation for damage Principles of Correct Diet principles of costume design principles of design for peptide drug principles of document conservation principles of editing principles of electrical engineering principles of enforcement Principles of Environmental Physics principles of handling disputes over the ownership of archives principles of heat treatments Principles of Information Science Principles of Instructional Design principles of insurance investment principles of insurance law

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。