wheat aphid mixed population 麦蚜混合种群
binary genotypic mixed population 双基因型混合种群
mixed-species population 混生种族群
All Europeans are thought to be a mixed population, with 65% Asian and 35% African genes.
人们认为所有的欧洲人都是混合人种,有65%的亚洲人基因,35%的非洲人基因。
That's particularly striking in Brazil, with its highly mixed population that has more blacks than any country with the exception of Nigeria.
这一现象值得注意。巴西是个多种族国家,黑人占总人口比例位居世界第二,仅低于尼日利亚。
Some of the surveys included only college students; others were done with a mixed-age population.
有些调查只包括了大学生群体;其他的则针对各个年龄段的人群。
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