There is potential for selective breeding for better yields.

以优产为目的的精选养殖是有潜力的。

《柯林斯英汉双解大词典》

They are the product of generations of selective breeding and hybridisation.

它们是一代又一代选择性繁殖和杂交的产物。

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For thousands of years humans have changed the sizes, shapes, colors, and coats of dogs through selective breeding.

上千年来人类一直在通过选择性杂交繁育来改变狗类的大小、体型、颜色和皮毛。

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BioHeap, as Titan dubs its process, uses bacteria that the company has developed by selective breeding over the past five years.

ECONOMIST: A cleaner and cheaper way of refining ore is to use bacteria

In both cases, domestication and selective breeding have produced huge numbers of different breeds - each with a distinctive physique, colour and even behaviour.

BBC: Pigeon DNA gives up fancy secrets

At one time or another, indigenous people in tropical Africa and South America knew how to cultivate and prepare nutritious food by selective breeding of as many as 30, 000 species of plants.

ECONOMIST: Growth and geography