cycledadj.循环的；周期性的v.骑自行车（cycle的过去式和过去分词）cyclen.循环；周期；自行车；摩托车v.骑自行车；(使)轮转；(使)循环Cycle per Hour注态氢供应主管路cycle analysis周期分析cyclesequencing测序cycle-average均匀环路cycle stock bin周转料仓(箱)cycle operation循环作业cycle economics循环经济学cycle criterionn.循环判据cycle shift law循环推移规律cycle structure循环结构