3、平衡性选择(balancing selection) (1)什么是平衡性选择 又称保留不同等位基因的选择,是指能使两个 或几个不同质量性状在群体若干世代中的比例保持 平衡的现象。
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“我们让社区采取主动，选择主题”，Munduru说，“但我们给予指导以确保主题的平衡性。
“We let the community take charge and choose the topics,” says Munduru, “although we guide them to make sure that they are balanced.
通过选择同步和异步复制的数量及其区域放置，您可以在失败时平衡性能、可用性和弹性。
By selecting the number of synchronous and asynchronous replicas, and their zone placement, you can balance your performance versus your availability and resilience in the face of failures.
我们内科医生在实习时不得不在扩大我们的基础知识和了解不同的药物种类以及以及基于成本效益的药物选择中作出平衡性的处理。
We physicians in training have to strike a balance between expanding our knowledge base and experience with different medication classes and the cost-effectiveness of the medication choices we make.
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