natural selection 是什么意思

中文翻译与英英解释

	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。

natural selection是什么意思

natural selection 是什么意思

中文翻译与英英解释

例句与用法