英语词汇“primary time and frequency standard”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	primary time and frequency standard
释义	primary time and frequency standard 原级时[间]频[率]标准
随便看	sinking spells Sinking Spring sinking stream sinking system sinking technique sinking tipple sinking to ground sinking tubing sinking type sinking valve sinking vessel sinking volume sinking walling scaffold sinking well sinking winch sinking winder sink in someone's estimation sink in someone's the estimation of someone sink in the scale sink ... into sink into sink into absurdity sink into a decline sink into a deep sleep sink into oblivion 花动拂墙红萼坠花压鬓云偏花叶何稠叠花向老人头上笑花困蓬瀛花坞夕阳迟花城人去今萧索花复认郎否花复认郎否花外一声莺 11973 11974 11975 11976 11977 11978 11979 11980 11981 11982