| 释义 |
fre.quen.cy WAVES5fri:7kw[nt7sinspecialized the number of times that a wave, esp. a sound or radio wave, is produced within a particular period, esp. one second频率，频数，周率the frequency of light [U]光的频率low frequency radiation低频辐射The human ear cannot hear very high-frequency sounds.人耳不能听到极高频率的声音。A frequency is a particular number of radio waves produced in a second at which a radio signal is broadcast.(无线电波的)频率Do you know what frequency the BBC World Service is on? [C]你知道BBC的对外广播的频率是多少吗?
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