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

单词	primary frequency standard
释义	primary frequency standard 一级频率标准;基本频率标准
随便看	nomination procedure nomination procedures nominations nominations committee nomination speech nomination technique nominatival nominative nominative absolute nominative case nominative-case nominative cases nominative certificate nominative determinism nominative introduction nominatively nominative of address Nominative Reports nominatives nominative shares nominative tender nominative testing nominative type system nominativus pendens nominator ntyl ntyw ntzc ntzy nu nuan nue nun nung nuo 反调反质子反贪反购交易反超反跳反身反躬反车儿反转