The modern atmosphere supports many forms of complex life that would not have been able to exist in Earth's first atmosphere because the oxygen level was too low.
现代大气层支持着许多复杂的生命形式，而这些生命在地球最初的大气层中是不可能存在的，因为当时的氧气含量太低。
In these days the pre-industrial city in America functioned as a complex and varied organizing element in American life, not as a simple, homogeneous, and static unit.
在这些日子里，美国未工业化的城市在美国人的生活中是一个复杂而多样的组织元素，而不是一个简单的、同质的、静态的单位。
Complex life evolved on the Earth's surface, but not on Mars or other planets in the solar system because on those planets, early surface life was killed by UV radiation.
复杂的生命在地球表面进化，而不是在火星或太阳系的其他行星上，因为在那些行星上，早期的地表生命被紫外线杀死了。
Building real things in the real world is how you'll make complex systems like minds and life.
造出现实世界中的实物取决于你怎样来构建象大脑和生命一样的复杂系统。
In keeping with the theme that water might equal life, astronomers believe that if such an ocean exists on Callisto, it's possible that complex life might also be in it.
让我们回到主题，有水就意味着生命。天文学家们相信，如果木卫四上确有海洋的存在，那么它便很有可能存在着复杂的生命。
This Jovian moon isn't trying to give life the cold shoulder. In fact, it could be a home not just to simple micro-organisms, but also complex life.
这颗木星的卫星并不打算用它冰冷的肩膀来承托生命。事实上，它不仅能为简单的微生物提供生存场所，也能让复杂的生命在此安家。
The more you are caught up in your mind activity the more complex your life becomes.
你越是对你的思想活动感兴趣，你的生活越是变得复杂。
The more different components are involved, the more complex the solution becomes in every aspect throughout its life cycle.
涉及的组件越多，解决方案在其生命周期内的每个方面就会越复杂。
They make a lot of sense in complex scenarios where a lot of processing and bookkeeping is needed for the life cycle of complex session beans.
在一些复杂场景中，当复杂会话 bean的生命周期中需要执行大量的处理和簿记时，这些方法有很大的用处。
Whatever Grypania was, it was one of the few known examples of complex life until about 550 million years ago, when the fossil record explodes in diversity.
无论卷曲藻属于何种类型，它是在5.5亿年前出现的化石记录大爆炸之前已知仅有的几类复杂生命体的案例。
In more complex databases, a data Design Project can be used to manage the life cycle of a particular database application.
在更复杂的数据库中，可以使用DataDesignProject来管理一个特定数据库应用程序的生命周期。
By studying bacteria that flourish in the oxygen-free water, scientists hope, among other things, to learn how simple life-forms can lead to more complex ones.
通过研究这些生活在无氧环境下细菌，科研人员希望了解这些简单的生物是如何进化成更为复杂的生物的。
The strategy the Air Force proposes is based on a system perfected by nature for life in complex environments: bimolecular switches.
美国空军策略主张以完善该系统本身为基础，使其终身在复杂环境下工作：双分子转换开关。
In the crowded central regions of the galaxy, home to large Numbers of massive stars, supernovas are so common that the evolution of complex life-forms might be difficult if not impossible.
在银河系拥挤的中心区域存在着大量的大质量恒星，频繁的超新星爆发使得复杂生命形式的产生不是不可能就是极度困难。
In the real world, rats don't spend their lives in cages waiting for lights to turn on; these experiments don't capture the complex role that fear plays in a wild rat's life.
在现实世界中，老鼠不会待在一个笼子里等待光线照射；这些实验并不能解释恐惧在一只野鼠的生命中所处的复杂地位。
As the most costly and complex phase in software product 's life cycle, software maintenance has a direct and important effect on the quality and reliability of software products.
软件维护作为舰艇装备软件生命周期中费用最高、工作最复杂的一个阶段，对软件产品的质量和可靠性均有着直接而重要的影响。
While some microbes can make their own food out of chemicals in the ocean, complex life like the amphipod can't, Kim said.
Kim说，虽然那些微生物可以把海洋里的化学物质转化为它们的食物，但是像片脚类这样的动物不能。
As he examined the biosphere in succeeding years, he added more complex phenomena to the list of life-made.
其后多年对生物圈的验证里，他将更多的复杂现象列入了生命产物清单。
The poet expresses human beings common life complex and their life experience of loneliness and hatred in the lines from people to things, from himself to others, and from nature to society.
词人由物及人、由己及人、由自然而社会表达出人类共通的生命情感和人类对自我生命中孤独、愁恨等共同的生命体验，蕴藏着深刻的生命情结。
I experienced the most complex and indelible time in my life, including sorrow, happy, defection, wobble and reverie.
我经历了我一生中最复杂也是最难忘的时光，包含了悲伤，快乐，背叛，动摇和幻想的时光。
I experienced the most complex and indelible time in my life, including sorrow, happy, defection, wobble and reverie.
我经历了我一生中最复杂也是最难忘的时光，包含了悲伤，快乐，背叛，动摇和幻想的时光。
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