to breed pigs in - and - in.
以同种交配的方式养猪
the act of mixing different breeds of animals.
不同种类的动物之间的交配。
Produced by the mating of individuals of different breeds, varieties, or species.
杂交产生的由不同品种、变种或种类的个体交配而产生的
To produce(an organism)by the mating of individuals of different breeds, varieties, or species;hybridize.
使杂交通过不同品种、变种或种类的个体交配而产生（另一种生物）；使杂交
An organism produced by mating of individuals of different varieties or breeds.
杂种通过不同变体或品种的个体的交配而产生的生物
Outcrossing is the mating of two dogs of the same breed that are otherwise virtually unrelated.
同系繁殖是指交配犬只双方属于同一品种但没有实质上的联系。
breed animals or plants using parents of different races and varieties.
不同种族或者种类的双亲交配产生动物或者植物。
A STUDY ON CROSS COMBINATIONS OF DANISH HOLSTEIN BULLS TO OTHER STRAINS OF HOLSTEIN COWS
丹麦黑白花种公牛与不同品系黑白花母牛杂交组合配套的研究
Effect of Population for Plutella Xylostella (L.) on Different Host Plants and the Research of Mating Behavior;
不同寄主植物对小菜蛾种群影响及交配行为的研究
Such similar-appearing gametes are called isogametes.
这种外形相似的配子称为同形配子。
by crossing different species of rice plant,
使不同种类的水稻杂交，
A process of sexual reproduction in which ciliate protozoans of the same species temporarily couple and exchange genetic material.
配对一种同种有纤毛原生动物的有性繁殖，是暂时结合并交换基因物质的过程
fertilization by the union of male and female gametes from different individual of the same species.
同种的两个不同个体的配子间的受精。
The long nose on these dogs is an ,inbred characteristic.
这些狗的长鼻子是同系交配的特点.
cross competition
交叉竞争[例如不同的配体交叉竞争各自的受体]
A NEW TRAFFIC ASSIGNMENT ALGORITHM BASED ON THE SHORTEST PATHS AND GAME THEORY
一种基于最短路博弈分配的交通配流新算法
mating of individuals having more traits in common than likely in random mating.
与随机交配相比具有更多相同特征的个体之间发生的交配。
mating of individuals having traits more dissimilar than likely in random mating.
与随机交配相比具有更多不同特征的个体之间发生的交配。