名词
中文翻译：杂种优势
同义词：
['hybrid vigor', 'heterosis']
例句：
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1. Thebreeder is trying to improve the performanceof their horses through cross-breeding.
育种者正试图通过杂交来提高他们的马的性能。
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2. Heterozygosis hasbeen shown to increase crop yieldsin some regions.
杂种优势在一些地区已被证明可以提高作物产量。
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3. The research onheterozygosis could lead to newtreatments for genetic diseases.
关于杂种优势的研究可能会带来新的治疗遗传性疾病的方法。