“雪球地球”的极端气候环境变化，促进了生命的演化，造成了寒武纪生物大爆发。
The extreme climate arisen from "snowball Earth" may promote evolution of life and trigger the "Cambrian Explosion".
天体生物学是研究宇宙生命起源，演化，分布和未来的学科。
Astrobiology is the study of the origin, evolution, distribution and future of life in the universe.
如果我们看生命的长期趋势，如果我们开始说，演化要的是什么？
And if we take the long-term trends of life, if we begin to say, what does evolution want?
演化的一件事就是，地球上无处找不到生命。
One of the things about evolution is that nowhere on Earth have we ever been where we don't find life.
这样不仅生命有足够时间在这颗新发现的行星上演化，人类还可以在大约50亿年后将这颗行星当做避难所。
This not only gives plenty of time for life to evolve on the recently discovered planet. It may make the place a useful bolthole in some 5 billion years' time.
治理过程的演化是治理生命力的根本。
This evolution of governance processes is the essence of governance Vitality.
我们认为现在需要对不断演化的系统的更长生命周期（在这个周期中主要演化的元素是软件）重新阐释我们的最佳实践了。
We think it's time to re-articulate our best practices for the broader lifecycle of continuously evolving systems, in which the primary evolving element is software.
物理学家恩里克·费米曾提出一个著名的问题：既然宇宙中有着海量的恒星系，其中有条件演化出生命的也为数不少，然而为什么到目前止还没有任何一个地外文明向地球人展示它们的存在？
The physicist Enrico Fermi famously asked why no extra-terrestrials have shown up on Earth when there are likely to be so many solar systems where life could have evolved.
长期以来，天体生物学家不知道地球的生命为什么会在39亿年前演化的如此之快。
Astrobiologists have been continually surprised by how quickly life evolved on earth-within 600 million years after the planet's formation, or about 3.9 billion years ago.
曾经，地球上的生命因遭遇灭绝而重新洗牌，但演化从未停下脚步。
Once, Lives on Earth are reshuffled by extinction events, but the evolution never stops.
生命期（Lifecycle）范畴包含与该学习对象的历史和当前状态有关的特性，以及在其演化过程中发挥作用的那些特性。
The Lifecycle category groups the features related to the history and current state of this learning object and those who have affected this learning object during its evolution.
就算是最长寿的动物，其生命周期对于癌症而言也太过短暂，让它来不及演化出跳转到另一种生物身上的能力。
The life spans of even the longest-lived animals may be just too brief for cancers to easily evolve the ability to leap to another body.
粒子群优化(PSO)算法是一类新兴的随机优化技术，其思想来源于人工生命和演化计算理论。
Particle swarm optimization (PSO) is a new stochastic optimization technique originating from artificial life and evolutionary computation.
地球作为一个伟大的演化星球，偶尔会产生有害和多余的生命形式。
Earth, being the great evolutionary planet that she is, occasionally produces harmful and unnecessary life forms.
有人认为生命延长是对饥饿演化的一个反应，而仅仅是一个怪异的事件，其原因在于当动物饥饿的时候，其演化结构也会改变。
The reason for believing that prolonged life is an evolutionary response to starvation rather than just a weird accident is that when an animal is starving the evolutionary calculus changes.
它本身就是演化的产物，特点是对细菌的杀伤力大，而对其他生命体的杀伤力很小。
It is itself a product of evolution, characterized by the destruction of bacteria, and other life on a small body of mass destruction.
而另一方面，现代主义者接受达尔文提出的理论，即所有动物的生命，包括猿与人，均从同一祖先演化而来。
The modernists, on the other hand, accepted the theory advanced by Charles Darwin---that all animal life, including monkeys and men, had evolved from a common ancestor.
为什麽演化容许脑子发育到会威胁生命的地步？
Why has evolution allowed the brain to grow so hazardously large ?
生命在地球上的出现及其演化有较长的历史。
The appearance of Earth life and its evolution have a long history.
这些复杂生命突然出现，暗示了寒武纪爆发式演化事件的存在。
The sudden emergence of those complicated life forms hinted the existence of evolution events of Cambrian explosion.
水在生命演化中起到了紧张的效用。
脊椎动物的起源与演化历来是进化生命科学的核心命题。
The vertebrate origin and evolvement has always played core role of evolution and life science.
脊椎动物的起源与演化历来是进化生命科学的核心命题。
The vertebrate origin and evolvement has always played core role of evolution and life science.
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