selective index meaning in English

选择下标, 选择索引

Create highly - selective indexes
创建高选择性索引
The researches about the classification and identification of their species and varieties have provided an early , subservient and selective index for breeding work
其种间或品种间的分类鉴定和亲缘关系的研究为育种工作提供了一个早期的、辅助的、选择性的指标。
There was a significant negative correlation between electric conductivity and vigor index , indicated the electricl conductivity could be used as a selective index for flood tolerance breeding in brassica napus l
电导率与活力指数之间有极显著的负相关，可用来快速筛选油菜耐湿性材料。