专家认为，此次流感的流行周期将持续到明年3月份。
Health experts maintain that the flu will last till next March.
自1992年以来疟疾发病率已连续10年被控制在1／万以下，并消除了流行周期。
Since 1992, the incidence of malaria has been less than 1/10 000, and the epidemic period disappeared.
同时，服装本身具有强烈的季节性和短暂的流行周期，如果市场反应速度慢，在激烈的市场竞争中，将付出惨重的代价。
Meanwhile, costume itself has the apparent seasonal ability and short popularity-life cycle. Hence if its market response is slow, garment enterprise will cost very much.
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