frequency是什么意思 frequency的中文意思

英音 ['fri:kwənsi] ;,美音 ['fri:kwənsi] ;,名词
1.[C,U]发生率，出现率，重复率
2. 不可数名词： 频繁
3.[C,U]频率,the ratio of the number of observations in a statisticAl category to the total number of observations,the number of observations in a given statistical category,the number of occurrences within a given time period,Alfven frequency 阿尔文频率 ,chopper frequency 遮光频率，间断频率，间歇频率 ,cold frequency 冷态频率 ,auroral frequency 极光频率 ,average frequency 调频中心频率 ,blanketing frequency 抑止频率 ,Bragg frequency 布拉格频率 ,broadcasting frequency 广播频率 ,absorption frequency 吸收频率 ,carrier frequency 载波频率，载频 ,frequency n. 1.[C,U]发生率，出现率，重复率2.[U]频繁3.[C,U]频率,low frequency a. 低周波的,dot frequency 短点频率,gyro frequency 旋转频率,hyper high frequency 超高频,reverse frequency 相反频率,ultra high frequency 【电】 超高频,frequency sampling 【计】 频率取样,radio frequency n.无线电频率,frequency changer 变频机,变频器