| 单词 | frequency |
| 释义 | frequency n 1 [U] (a) rate of occurrence or repetition of sth, usu measured over a particular period of time （某事发生或重复的）频率 Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降. the alarming frequency of computer errors 计算机差错惊人的频密. (b) fact of being frequent or happening often 屡次; 频繁 the frequency of premature births in this region 该地区早产情况的频繁. 2 [C, U] rate at which a sound wave or radio wave vibrates; band or group of similar frequencies （声波或无线电波的）振动频率; 波段:high-/low-frequency sounds 高[低]频的声音 a musical note with a frequency of 256 vibrations per second 振动频率为每秒256次的音调 In the evening this station changes frequency and broadcasts on another band. 该电台晚上改变频率, 在另一波段播音. |
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