常見例句雙語(yǔ)例句There was periodicity in fruiting of Chieh-qua, plant growth and fruit development were in" S" trend.節(jié)瓜坐果呈周期性，植株生長(zhǎng)和果實(shí)發(fā)育均呈“S”型曲線變化。Economic growth leads to income increase and poverty rate reduction in rural area, and its contribution has witnessed periodicity in line with the economic fluctuation.經(jīng)濟(jì)增長(zhǎng)使辳村居民收入增加，貧睏率下降，其貢獻(xiàn)隨經(jīng)濟(jì)波動(dòng)出現(xiàn)周期性； 返回 growth periodicity