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定向选择
agric. consecutive selection; orthoselection (orthoselectio)
anim.husb. directive selection
genet. directional selection; orientation selection
tech. orthoselection
定向选择在家畜育种中,按照一定方向(如乳脂率、体高等)进行选择的方法
anim.husb. directional selection; directive selection
定向选择朝着某一适应性的趋向进行的长期选择
anim.husb. orthoselection
定向选择
: 8 phrases in 4 subjects
Genetics3
Polymers1
Technology2
United Nations2