英语词汇frequency primary standard怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	frequency primary standard
释义	frequency primary standard 简明释义原频率标准，频率基准网络释义 1 ?频率基准 ... eration 工作频率 frequency primary standard 频率基准 frequency pulling 频率牵引 ... 短语 1 time and frequency primary standard 时间频率基准 2 primary frequency standard 原始频率基准 ; 一级频率标准 ; 物基本频率标准 ; 基准频标 3 primary time and frequency standard 原级时频标准
随便看	series of derived groups series of equal interval series of f-number series of function series of hydraulic forging press series of igneous rocks series of increasing powers series of lines series of lot series of machine series of natural number series of natural numbers series of nonnegative terms series of nonnegative terms series series of number series of numbers series of observation series of observation series of options series of orogenesis series of payments series of payments or receipts series of permanent artificial standards series of positive terms series of potential

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。