音标与读法

这里为大家介绍下natural selection 是什么意思，希望能帮助到各位朋友。

中英文翻译

自然淘汰,自然选择,天择。

natural:adj. 1.自然界的；关于自然界的。 2.天然的；未开 ...selection:n. 1.选择；挑选；选拔。 2.拔萃；选择物；精选物[ ...a natural process resulting in the evolution of organisms best adapted to the environment

同义词：survival, survival of the fittest, selection,

Natural selection is the gradual, non-random process by which biological traits become either more or less common in a population as a function of differential reproduction of their bearers. It is a key mechanism of evolution.

例句与用法

1.Why should it prevail against natural selection ?

它为什么要阻止自然选择呢？

2.The development of species was the result of natural selection .

物种的进化是自然选择的结果。

3.Natural selection has tended to reduce this randomization .

自然选择往往倾向于减少这种随机化现象。

4.This shift is rapid and does not depend on natural selection .

这种变迁的过程很快而且并不取决于自然选择。

5.Darwin used the term natural selection for this process of discrimination .

达尔文为这种区分过程使用自然选择这一术语。

6.Nature grants long periods of time for the work of natural selection .

自然界允许极长的时期，给自然选择来进行它的工作。

7.Natural selection is a slower process with man than with any other creature .

自然选择对人类比起对其他生物是个较为缓慢的过程。

8.In this case, natural selection would tend to add to the stature of the plant .

在此种情况下，自然选择就有增加植物高度的倾向。

9.Natural selection becomes now the overall name for inequalities of survival or of productive rate .

自然选择现在成为生存或生产率差异的全称。

10.I am convinced that natural selection has been the main but not the exclusive means of modification .

我确信自然选择是主要的但不是唯一的手段。

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