又称植物群落，是有生长在一定地区内，并适应与该区域环境综合因子的许多互有影响的植物个体所组成，有一定的组成结构和外貌，是依历史的发展而演变的。
自然群体 [zì rán qún tǐ]
网络释义专业释义
中国银额果蝇自然群体B染色体的分布 关键词 银额果蝇，自然群体，B染色体分布，适应性 [gap=1236]Key words Drosophila albomicans，Natural population，B-chromosome distribution，Adaptation
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双语例句原声例句
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本领域未来如何用新改良蚊子“替换”自然群体的问题还很模糊。
But a question clouding the field's future has been how to "replace" natural populations with these new and improved mosquitoes.
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利用自然群体进行关联分析是检测目标性状qtl、揭示其遗传基础的有效方法。
Association mapping is one of the important ways to detect QTLs and reveal genetic bases of target traits in the natural populations.
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Malthus论证说，自然群体的数量是呈指数级增长的，而食物供应的增加却是呈线性的。
Malthus argued that natural populations grow at an exponential rate, whereas the increase in food supply is linear.
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This is one of the biological properties, the naturally occurring properties of plasmids, is that they exist in microbial populations and they confer on them resistance from toxins that would ordinarily kill them.
这就是这类生物学特性之一,它是质粒所具有的自然特性,这些质粒存在于微生物群体中,并赋予微生物抗性,使它们免于被毒素杀死
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