它经历了一个有趣的进化过程。
It has passed through an interesting procedure of evolution.
例如,彼得·谢尔登对于三叶虫的研究,那是一种已灭绝的身体分节的海洋生物,他的研究让我们得以一窥三百万年以来一个海洋环境的进化过程。
For example, Peter Sheldon' s studies of trilobites, a now extinct marine animal with a segmented body, offer a detailed glimpse into three million years of evolution in one marine environment.
人们以此来模拟进化过程。
另外一个可能的基因进化过程则是基因的复制。
甚至有人提出这些分子协助了人类复杂的进化过程。
It has even been proposed that these molecules aid the evolution of complexity in humans.
这不正是单词和词组在口语中的进化过程吗?
And how closely does it map onto the ways that words and phrases earworm their way into spoken language?
这种复制未必很精确,但已经足以引发一种新的进化过程。
This copying might not have been very accurate, but it was enough to start a new evolutionary process.
癌症的形成过程就是一种新的寄生物种的进化过程。
The formation of cancers is really the evolution of a new parasitic species.
其中一些进化过程相关联而形成“基因家族”表达相关蛋白。
Some of these are evolutionarily related and form "gene families" that express related proteins.
此书包括许多引人入胜的物理,化学和进化过程的细节描述。
His book contains a lot of fascinating detail about the different physical, chemical and evolutionary processes at work.
这将启动另一开发周期,继续数据仓库构建的迭代和进化过程。
This will start another cycle of development, continuing the iterative and evolutionary process of building the data warehouse.
研究生物进化过程的最后的方法是通过大量的实验。
says Jason Crusan, chief technologist for space operations at NASA headquarters in Washington, D.C. Performing a large number of experiments is best for studying biological processes.
不过这项研究的意义并不只限于展示两组生命体有趣的进化过程。
But this study is more than just an interesting look into the evolution of two groups of organisms.
当人类出现时,进化过程已经在其身上建立了道德感的牢固基础。
By the time humans came around, evolution had forged a pretty firm foundation for a moral sense.
这是本能,是人类通过生存竞争和进化过程获得的本能。
Since this ability is instinctive, it is an ability that humans acquired through competition for survival and the process of evolution.
与古德不同,他认为假如进化过程重演的话,许多事物将不会发生改变。
Unlike Gould, he thinks that if evolution were replayed from the beginning, a lot of things would turn out the same.
这并不是突然的,而是一个过程,那是个缓慢的人格进化过程。
Still, it wasn't abrupt, it was gradual, it was a slow evolution of the personality.
我相信当前我们在技术的蓬勃发展中所见到的,是第三种进化过程的苗头。
I believe that what we are now seeing, in a vast technological explosion, is the birth of a third evolutionary process.
果真如此,古代原始人的行走进化过程很可能是一日千里,而非循序渐进。
If so, walking may have evolved in leaps and bounds, rather than gradually, among ancient hominids.
于是天空就突然成了新的限制因素,从而触发了新一轮的进化过程。
Suddenly the skies were quite literally the limit, triggering a new evolutionary burst.
我们不但能够理解现有的系统,同时也表明变异能够修补进化过程缺失的环节。
Not only do we have system we can understand here, but it shows us how evolution could have tinkered with variation.
这是一种全新的复制,变化,选择的过程,意味着一个新的进化过程正在开始。
This is a radically new kind of copying, varying and selecting, and means that a new evolutionary process is starting up.
这种消化系统进化过程,可能已经无数次帮助过我们人类适应新的环境和新的食物。
This sort of digestive evolution has probably helped humans adapt to lots of new environments and lots of new foods.
这项最新研究的作者指出,其成果可以帮助其他研究者更好地理解注视能力的进化过程。
The results should also help researchers better understand the evolution of gazing abilities overall, say the authors of the new study.
同时,这些新发现行星的体积和轨道彻底改变了科学家对行星系形成和进化过程的认识。
Meanwhile, the sizes and orbits of planets already discovered are revolutionizing researchers' understanding of how planetary systems form and evolve.
换句话说,在肯尼亚发生的进化过程比起在堪萨斯州发生的进化过程要快一些。
In other words, evolution happens at a faster rate in Kenya than, say, in Kansas.
现在的通行观点是,利他主义起到了连结家庭和小社区的作用,是进化过程的一种适应表现。
The currentview is that altruism, to the extent it exists in any pure form inhumans, is an evolutionary adaptation to bind families and smallcommunities.
因为所有三个关键阶段——复制、改变和选择——都由大脑完成,所以这是一种新型进化过程。
This is a new evolutionary process because all of the three critical stages - copying, varying and selection - are done by those brains.
因为所有三个关键阶段——复制、改变和选择——都由大脑完成,所以这是一种新型进化过程。
This is a new evolutionary process because all of the three critical stages - copying, varying and selection - are done by those brains.
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