英语词汇time-and-frequency 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

网络释义

短语

1
time and frequency standard
时间频率标准 ; 时间和频率标准
2
primary time and frequency standard
原级时频标准
3
CESIUM TIME AND FREQUENCY STANDARD
铯原子钟

双语例句

1
This is the basis for the well - known cesium clock, presently the standard of frequency and time.
这就是众所周知的铯原子钟的基础，它是目前的频率和时间基准。
2
High precision quartz oscillators were used for the transmission of BPV standard frequency and time signals at Shanghai Observatory.
在上海天文台BPV标频和时间信号的发播工作中，使用了高精度石英晶体振荡器。
3
Atomic frequency Standard is the frequency and time benchmark of space technology and time awarding system, directly determining the quality of satellite communications.
原子频标是空间技术和授时系统的频率与时间基准，直接决定了卫星通信的质量。

单词	time-and-frequency standard
释义	time-and-frequency standard 简明释义时频标准网络释义短语 1 time and frequency standard 时间频率标准 ; 时间和频率标准 2 primary time and frequency standard 原级时频标准 3 CESIUM TIME AND FREQUENCY STANDARD 铯原子钟双语例句 1 This is the basis for the well - known cesium clock, presently the standard of frequency and time. 这就是众所周知的铯原子钟的基础，它是目前的频率和时间基准。 2 High precision quartz oscillators were used for the transmission of BPV standard frequency and time signals at Shanghai Observatory. 在上海天文台BPV标频和时间信号的发播工作中，使用了高精度石英晶体振荡器。 3 Atomic frequency Standard is the frequency and time benchmark of space technology and time awarding system, directly determining the quality of satellite communications. 原子频标是空间技术和授时系统的频率与时间基准，直接决定了卫星通信的质量。
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