特殊用法nutrient cycling1.营养物循环prolonged humidity cycling1.长期循环防潮性试验reservoir cycling1.油藏循环法road cycling1.公路自行车竞赛strain cycling1.应变循环temperature cycling1.温度周期变化temperature-humidity cycling1.温湿循环thermal cycling1.热循环track cycling1.赛车场竞赛