“时间频率计量”的概念、定义、翻译、参考文献-科学参考

单词	时间频率计量
释义	时间频率计量 Encyclopedia 工学时间频率计量释 metrology in the field of time and frequency时间频率计量利用秒作为基本单位的测量及其应用的科学。是实现时间频率相关量单位统一、量值准确可靠的活动，计量学的分支之一。
随便看	Democratic Republican Party for Renewal Democratic Republic of Congo-People’s Republic of Congo Declaration Democratic Republic of German Democratic Republic of Germany democratic socialism democratic society Democratic Theatre Democratic Union of Cape Verde democratization of higher education Democritus Democritus, 公元前460？—370？ Democritus (约公元前460—约前370) demoder demodicidosis of animal demodulation demodulation method demodulator Demographic and Social Changes demographic data demographic dividend demographic factor demographic method demographicmodel Demographic Problems demographic statistic survey

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