They will be selected out by competition; the analogy is to natural selection in biological evolution.

他们会被竞争所淘汰；如同生物进化中的自然选择。

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Now the core of natural selection is the claim that phenotypic traits are selected for their adaptivity, that is, for their effect on fitness.

目前自然选择的核心观点是表型性状因其适应性而被选上。

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Economic transition has become a conscious selected process from a natural historical process.

经济转轨已由自然历史过程转变成自觉选择的过程。

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Even before reading their article, it could be guessed (correctly, as it turned out) that the 90 percent threshold was more an artifact of how the data were selected and grouped rather than anything resembling a natural law.

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In addition to continued support for systematic biological monitoring, a particular effort is being made at a selected number of sites to analyse the socio-economic and cultural dynamics of natural resource use.

UNESCO: The Commonwealth of the Bahamas

The origin of the blue-chip meteorite market was a 1995 natural history auction at Phillips in New York, for which an entertainment manager named Darryl Pitt selected some 15 meteorites from his personal collection and photographed them as if they were masterpieces of modern art.

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