采用系统分离育种方法，对柞蚕全茧重和生命力两项主要指标进行平衡选择。

In separating breeding, two major indicators, cocoon weight and vitality of tussah were selected.

youdao

采用系统分离育种方法，对柞蚕全茧重和生命力两项主要指标进行平衡选择。

In separating breeding, two major indicators, cocoon weight and vitality of tussah were selected.

youdao