outcross breeding异系孳生
outcross s异型杂交
outcross probability超越概率
seed set of outcross异交结实
seed of outcross异交结实
V（动词） to breed (animals or plants of the same breed but different strains) 使异型杂交
N（名词） an animal or plant produced as a result of outcrossing 异型杂交(动物或植物)产物