alterne群落交错
alterv.改变;更改;阉割;切除卵巢
alternation of contract合同变更
alternating-direction交替方向法
alternator construction交流发电机结构
alternating synchrotron交变陡度同步加速器
alternating stress rule交替重音规则
Altered water condition变水条件
alternating accumulator交流蓄电池
altered gene expression基因表达
alternating voltage peak交流电压峰值
alternating current dump交流清除
"alternating current"
"alternating feelings of love and hate"