周期性: periodicity; cyclicity甲: the first of the ten Heavenl ...脱落: drop; fall off; come off; sh ...甲脱落: onychoptosis指甲脱落: loss of finger-nail周期性: periodicity; cyclicity 疟疾周期性发作 periodic attacks of malaria; 危机的周期性 the periodicity of crises; 景气状况周期性地出现。 booms run in cycle.; 周期性经济危机 periodic economic crises; cyclical economic crises; 周期性失业 cyclical unemployment 长期性；非周期性: secular无周期性，非周期性: aperiodicity拟周期 准周期性: quasi-periodicity周期的，周期性的: periodic暗隐周期性: hidden periodicity长周期性: long periodicity殆周期性: almost periodicity地震周期性: earthquake periodicity多周期性: polycycle发育周期性: growth periodicity非周期性: aperiodicity; non-periodicity; secular非周期性摆: aperiodic pendulum非周期性的: acyclic; aperiodic aerial; no eriodic; non periodical; noncyclic; non-periodic光照周期性: photoperiodicity光周期性: photoperiodicity/photoperiodism; photoperiodism核周期性: nuclear periodicity环境周期性: environmental periodicity季节性；周期性: seasonal季节周期性: seasonal periodicity; seasonalperiodicity
