bulk selection

• 混合选择,集团选择

bulk selection的用法和样例：

例句

1. A bulk progeny test is a simple way to learn the effectiveness of mass selection.
   集团后代测验是了解混合选择有效性的一个简单方法。
2. The genetic quality of the parents can be judged with much greater certainty than in mass selection.
   亲本的遗传品质比起混合选择来，能判断得更加确切。