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	initial written proposal initial X-ray tube voltage initial yaw initial yield initial yield surface initial yield value initialzing initial zone initiament initiand initiands initiant initiary initias initiate initiate a movement initiate a new plan initiate a note initiate a reform initiate button initiate control word initiated initiated built-in test initiated cheque initiate diagnostics 㚥㚦㚧㚩㚪㚫㚬㚭㚮㚰あとらんだむあとりえあと付けあと付けるあと出しあと取りあと回しあと引きあと戻りあと払い