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n.（某事发生可重复的）频率( frequency的名词复数 )；发生率；（声波或无线电波的）振动频率；经常发生 英英释义： frequency[ 'frikwənsiz ]n.the number of occurrences within a given time period"the frequency of modulation was 40 cycles per second"; "the frequency of his seizures increased as he grew older"
