alternate SC交替的副载波alternatev.交替；轮流adj.间隔的；轮流的；交替的n.代替者；供替代的选择alternate homozygotes交互纯合体alternate disjunction相间离开alternate orientation选用方位alternate motion rate交替运动率alternate phyllotaxis互生叶序alternate stress test反复应力试验alternately-pinnate互生羽状alternate measurement校核测量alternate segregation相互分离alternate track table备用磁道表