natural selection

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  • n.自然选择；物竞天择
  • Web自然淘汰；自然选择学说；天择说

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natural selection
n.
1.
自然选择；物竞天择the process by which plants, animals, etc. that can adapt to their environment survive and reproduce, while the others disappear

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Definition:
AllAll,自然选择自然选择,物竞天择物竞天择,自然淘汰自然淘汰,自然选择学说自然选择学说,天择说天择说
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
The finding that the gene has so many effects raises the question of which one was the dominant trigger for natural selection.
该基因有这么多方面的影响。这一发现引发了一个疑问，主要是哪方面的影响引发了自然选择？
gāi jī yīn yǒu zhè me duō fāng miàn dī yǐng xiǎng 。 zhè yī fā xiàn yǐn fā le yī gè yí wèn , zhǔ yào shì nǎ fāng miàn de yǐng xiǎng yǐn fā le zì rán xuǎn zé ?
cn.nytimes.com
2.
For natural selection to favor one feature over another, "It doesn't have to be an ideal solution, " she said.
大自然的进化意味着总要在两种特性之间做出选择，所以“未必这是最理想的解决方式，也没有必要，”她说。
dà zì rán de jìn huà yì wèi zhe zǒng yào zài liǎng zhǒng tè xìng zhī jiān zuò chū xuǎn zé , suǒ yǐ " wèi bì zhè shì zuì lǐ xiǎng de jiě jué fāng shì , yě méi yǒu bì yào , " tā shuō 。
article.yeeyan.org
3.
If we were truly a result of evolution by process of natural selection, this value on human life seems as though it has no source.
如果我们真的是通过自然选择的过程进化出来的结果，那么人类生命的价值看起来是不能追溯到源头的。
rú guǒ wǒ men zhēn de shì tōng guò zì rán xuǎn zé de guò chéng jìn huà chū lái de jié guǒ , nà me rén lèi shēng mìng de jià zhí kàn qǐ lái shì bù néng zhuī sù dào yuán tóu de 。
article.yeeyan.org
4.
Darwin himself, in his autobiography, tells the story of coming up with the idea for natural selection as a classic "eureka! " moment.
在他的自传里，达尔文讲述了自然选择的产生，作为一个典型的“发现！”
zài tā de zì zhuàn lǐ , dá ěr wén jiǎng shù le zì rán xuǎn zé de chǎn shēng , zuò wéi yī gè diǎn xíng de " fā xiàn ! "
www.ted.com
5.
Although it does shield people from other forces, culture itself seems to be a powerful force of natural selection.
尽管确实为人类阻挡了其他力量，文化本身貌似是一个强大的自然选择力量。
jǐn guǎn què shí wèi rén lèi zǔ dǎng le qí tā lì liang , wén huà běn shēn mào sì shì yī gè qiáng dà de zì rán xuǎn zé lì liang 。
article.yeeyan.org
6.
Just how much a process like this can be shaped by natural selection is unclear.
仅自然选择到底能产生多少种类似进程，就仍未查明。
jǐn zì rán xuǎn zé dào dǐ néng chǎn shēng duō shao zhǒng lèi sì jìn chéng , jiù réng wèi chá míng 。
www.ecocn.org
7.
But that, too, has its difficulties. Just how much a process like this can be shaped by natural selection is unclear.
但这一说也有其困难，它在多大程度上收到自然选择的影响，目前尚不清楚。
dàn zhè yī shuō yě yǒu qí kùn nan , tā zài duō dà chéng dù shàng shōu dào zì rán xuǎn zé de yǐng xiǎng , mù qián shàng bù qīng chǔ 。
www.ecocn.org
8.
What he did not realize was just how seriously Germany was taking the idea of "natural selection" .
他意识不到的是德国对“自然选择”这个想法有多认真。
tā yì shí bù dào de shì dé guó duì " zì rán xuǎn zé " zhè ge xiǎng fǎ yǒu duō rèn zhēn 。
www.elanso.com
9.
Why not copy these proven models, the engineers wondered, rather than trying to outguess 4 billion years of natural selection?
工程师想知道为什么不复制这些行之有效的生物原型，而偏偏费力地去猜测40亿年的自然选择。
gōng chéng shī xiǎng zhī dào wèi shén me bù fù zhì zhè xiē xíng zhī yǒu xiào de shēng wù yuán xíng , ér piān piān fèi lì de qù cāi cè sì shí yì nián de zì rán xuǎn zé 。
www.ecocn.org
10.
Such an accelerated rate of evolution might be due to factors other than natural selection, in particular GC-biased gene conversion.
这种加速进化可能是由于自然因素以外的其他选择，特别是气相色谱偏向基因转换。
zhè zhǒng jiā sù jìn huà kě néng shì yóu yú zì rán yīn sù yǐ wài de qí tā xuǎn zé , tè bié shì qì xiāng sè pǔ piān xiàng jī yīn zhuǎn huàn 。
www.syyxw.com
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