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
相似短语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
相似单词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