These pictures show young readers what led Darwin to form his great discovery: the evolution of species through natural selection.
VOA: special.2009.02.27
What's happening there? Well, the selection of reactants has been done judiciously to provide either heat or to provide something that's cool.
就会感到这东西,比如说变冷了,对吧?,这里发生了什么?这些反应物都是,被仔细的选出来的,能够提供热量或制冷。
Let's do selection and let's do merge sort here on the right just to see what actually happens.
中间进行选择排序,右边进行归并排序,看看会发生什么。
The animals on the islands influenced British nature scientist Charles Darwin's ideas about evolution by natural selection.
VOA: special.2009.12.16
Groups were assigned and the students came from all over the world, so we made great efforts in the selection of the student groups that we put together.
对来自世界各地的学生,进行分组,我们花了很大力气选择,放在一起的组。
But natural selection has stood the test of time as a basis for the science of biology.
VOA: special.2009.12.01
And in fact, Skinner explicitly made the analogy from the natural selection of species to the natural selection of behavior.
实际上,斯金纳也确实明确地,对物种的自然选择,同行为的自然选择进行过类比。
The central aim of the Festival Fringe Society was not to have a selection process deciding who could or could not take part.
VOA: special.2009.08.05
This is an interesting question: do they solve the moral hazard and adverse selection problem as well as banks do?
一个有意思的问题出现了,他们可以向银行那样,处理好道德风险以及逆向选择问题吗
He developed the theory of evolution that life on Earth developed through the process of natural selection.
VOA: special.2009.12.16
How many swaps do I do in general in bubble sort, compared to selection source?
在冒泡排序中,一般要做多少次交换,对比选择排序呢?
This weekend,Project Green Search will announce its selection of a new model for the environmental "Green Revolution."
VOA: special.2009.11.06
There's a good selection from Thomas in your anthology.
在你们的诗集中有精选的托马斯诗歌。
But it was Darwin who identified and explained the process, natural selection, that causes life to evolve.
VOA: special.2009.02.25
One of the motives for his selection of this genre, the pastoral genre, is the tradition -and it's a tradition that goes all the way back to Theocritus and Virgil -that associates shepherds with poets.
他选择这个流派的动力之一,就是田园诗是一种传统,是一种可以追溯到忒俄克里托斯和维吉尔时代的传统,它把牧羊人和诗人紧密相连。
A year later,Darwin would complete his detailed study of evolution through natural selection.
VOA: special.2009.12.01
So you could use sort of negative selection in order to find the ones that you want.
这样你就可以用某种负向选择,去找到你想要的细菌
The selection process includes a week of interviews, medical tests and orientation.
VOA: special.2010.08.20
I sat at the selection period where we've got the stacks:11,000 applications.
在筛选期间,我坐在那,我们得到了,很多的材料,11000份申请。
But biologists use the term "natural selection" to describe the evolutionary process.
VOA: special.2009.02.25
Natural selection would create people who were in sync with their environment.
自然选择造就了,人类和环境的协调发展
Natural selection does not explain everything about why species evolve.
VOA: special.2009.02.25
In natural selection, certain things happen.
与自然选择不同。
That theory is known as evolution through natural selection.
VOA: special.2009.02.25
And this is in contrast to Selection Sort where you're fishing again and again for the then smallest element.
这与选择排序是相反的,在选择排序中你需要一次又一次地,找出最小的元素。
This is the idea of natural selection.
VOA: special.2009.12.01
Of course, if think about it, as a community, the investment community is going to lose from security selection decisions.
其实很好理解,想想看,投资者群体可能,由于证券选择决策失误而蒙受损失
Indian cricket star Kapil Dev is a member of the group and says the selection process is always tough.
VOA: standard.2010.02.11
That is, if they exist through Darwinian natural selection, ? to what extent can we ever get rid of them?
如果性别差异存在于,达尔文所说的自然选择当中,我们可以消除性别差异吗?
Just contrast this for a brief moment to something like Selection Sort which from the get go had a ridiculous amount of redundancy comparing the same damn numbers again and again, and again.
这就与其他的排序算法形成了鲜明的对比,比如选择排序,它会一次又一次地做,多余的比较。
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