“hydrogen maser”的概念、定义、翻译、参考文献-科学参考

单词	hydrogen maser
释义	hydrogen maser 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。 Astronomy hydrogen maser氢微波激射
随便看	apple industry apple latent virus disease apple mosaic disease apple powdery mildew apple ring rot apple rust apple scar skin disease apple snail applet Appleton crater Appleton, Edward Victor Appleton layer apple valsa canker applicability applicability evaluation technology of oil and gas pipeline defects applicability inspection of aircraft materiel support resources applicability of wave theory applicable law applicable law for agency applicable law for bankruptcy applicable law for capacity for rights of natural persons applicable law for company applicable law for contracts applicable law for disposing capacity of natural persons applicable law for intellectual property

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。