物竞天择确保只有最适应环境的物种才得以生存下来，把基因传递给下一代。
Natural selection ensures only the fittest survive to pass their genes on to the next generation.
经过数千年的物竞天择，这些特征延续至今。
Through natural selection over thousands of years, these characteristics continue to the present day.
有没有“语言基因”的自然天择？
物竞天择是否能解释人的性格？
达尔文坚信进化论的基础是物竞天择。
Darwin was convinced that the theory of evolution is based on natural selection.
物竞天择对人类又是如何发挥作用的？
适者生存是物竞天择过程中的一部分吗？
正如达尔文所言，物竞天择，适者生存。
达尔文所理解的也就是自然选择，物竞天择。
All Darwin perceived was that selection must work in nature, too.
物竞天择是一个可以致使新物种产生的过程。
Natural selection is a process that may lead to the origin of new species.
在人类的演化过程中，天择为何青睐人类突出的脑力？
What favored the evolution of such distinctive brainpower in humans or, more precisely, in our hominid ancestors?
讽刺的是，天择甚至可能无意中提供了癌细胞生长的工具。
Ironically, natural selection may even inadvertently provide some of the tools that cancer cells can use to grow.
简言之，他被称作“带走高贵的天择人选宝贵学徒的恶棍”。
To put it simply, he was known as the "scoundrel" who had "taken" the exalted Chosen One's precious pupil.
云初雪内心隐隐不安，对靳天择，她的确毫不了解，一无所知。
Cloud beginning snow heart is unclear embarrassment, to the Jin natural selection, she actually nowise understands and knows not a entity.
受天择压力，他们朝向耗能较少的移动模式演化，因而脊椎柱更长，更灵活。
Selection pressure for this efficient style of locomotion favored longer and more flexible spinal columns.
在那种情况下真的就是物竞天择，最有可能能活下来的就是青壮年。
In this situation it truly was survival of the fittest, with healthy young males being the most likely to live to tell the tale.
天择双级无筛底湿料粉碎机高效细碎专用设备又名（煤矸石锤破）。
Natural selection double level without a sieve bottom wet material crusher efficient finely special equipment and name (coal gangue break) hammer.
物竞天择理论究竟是只在自然物质方面起作用呢还是也在精神方面起作用？
Does natural selection only work on physical or it also work on mental as well?
物竞天择。猴子的灵魂不一定比你卑微，但你身后有几十万年的类人猿进化积淀。
Survival of the fittest in natural selection. Monkeys are not necessarily the soul than you humble, but you have hundreds of thousands of years of anthropoid evolution accumulation.
现在，工程师们发现，“物竞天择”的进化理论在航天器的演进过程中同样会产生惊人的效果。
Now, engineers suggest that the process of natural selection may have surprising implications for spacecraft as well.
模仿物竞天择的自然规律能提高脑植入装置的效率，这意味着其电池不必频繁更换。
MIMICKING natural selection could boost the efficiency of brain implants and mean their batteries need to be replaced less often.
物竞天择，适者生存。多年来，ZCIG正是秉承着这一朴素的哲学，不断发展、壮大。
Only the fittest can be survived from natural selection. With taking this simple philosophy in many years, ZCIG keeps on developing and growing.
一直以来，人们都在争辩，“思想观念”和“文化”是否被某个类似物竞天择的过程所支配。
It has been argued that "ideas" and "culture" are subject to a process similar to natural selection.
天然突变——演化过程中在分子的层次上主要是经由随机的基因流而决定，并非借由天择所影响。
Neutral mutation — Evolution at the molecular level is primarily determined by mutational input and random genetic drift, rather than by natural selection.
天然突变——演化过程中在分子的层次上主要是经由随机的基因流而决定，并非借由天择所影响。
Neutral mutation — Evolution at the molecular level is primarily determined by mutational input and random genetic drift, rather than by natural selection.
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