单词line breeding
un.: 品系繁育；系群繁育
网络: 繁殖；品系育种；系繁殖
系群繁育
品系繁育
At that time, a few foresighted men began line breeding and inbreeding with the hopes of establishing a new draft breed.
当时，一些富有远见的男人开始行繁殖和近亲繁殖，与建立一个新的草案品种的希望。
Project Progress Report on New Beef Line Breeding by Introducing the Charolais Blood into Nanyang Cattle
南阳牛导入夏洛来培育肉用新品系项目进展
New Method of Elite Inbred Line Breeding in Corn
优良玉米自交系选育新方法