altern交错群落alterv.改变；更改；阉割；切除卵巢alternating light变光灯alternating layer交互层Alternaria quercin.栎链格孢alternating array替换数组Alternaria coicisn.薏苡链格孢alternating ratio交替比例Alternaria sesamin.芝麻链格孢alternating power交叉功率alternation morph交替语子alternation rules交互规则；选择规则