复数： crossbreds

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And not all crops can be crossbred successfully .

而且并不是所有的作物都能成功的进行杂交。

The beef performance study of three kinds of crossbred cattle .

三种杂交牛产肉性能研究。

Report on finishing effects of crossbred calves of three breeds .

三元杂交肉用犊牛育肥效果试验报告。

Growth trait of the crossbred lamb of boer and suining white goat .

波尔山羊与睢宁白山羊杂交羔羊生长性能研究。

After entering the society of civilization , the relations of the male and female have evolved from crossbred of mating group to the monogamy .

进入文明社会以后,人类两性关系从群婚杂交演变为一夫一妻制。