它们与地球上的河流系统非常相似，地质学家认为它们是早已消失的河流留下的干涸的河床。
They bear a strong resemblance to river systems on Earth, and geologists think that they are dried-up beds of long-gone rivers.
北极海冰在地球气候系统中占据中心位置，并且它恶化的速度比预期的更快。
The Arctic sea ice holds a central position in the Earth's climate system and it's deteriorating faster than expected.
地球的气候系统不断试图在云层的降温和变暖效应之间取得平衡。
Earth's climate system is constantly trying to strike a balance between the cooling and warming effects of clouds.
此外，在地球太阳能系统可能遇到的温度下发生转变的材料在这种温度下通常具有破坏性的腐蚀性。
Moreover, materials that have transitions at the temperatures that terrestrial solar-energy systems are likely to encounter are usually destructively corrosive at those temperatures.
我们繁衍得如此之快，以至于人口数量威胁到地球的生态系统。
We are reproducing ourselves at such a rate that our numbers threaten the ecology of the planet.
珊瑚礁是地球上最脆弱、生态性最复杂、最多样化的海洋生态系统之一。
Coral reefs are one of the most fragile, biologically complex, and diverse marine ecosystems on Earth.
在弗兰纳里1994年出版的《未来的食客》一书中，他阐述了自己的论点，人类是地球上的一种新型动物，而且是一种倾向于破坏生态系统的新型动物。
In Flannery's 1994 book called The Future Eaters, he sets out his thesis that human beings are a new kind of animal on the planet, and are in general, one prone to ruining ecosystems.
在地球上任何一个特定地点，阳光的不断变化使能量储存成为地球太阳能系统的一个必要设计特征。
Constant variations in the amount of sunlight available on Earth at any given location make energy storage a necessary design feature of terrestrial solar-energy systems.
地球在基础的生物系统方面的状况并不是很乐观。
Looking at the basic biological systems, the world is not doing very well.
GPS全球定位系统最吸引人的地方是它在地球上达到了100%覆盖。
The most attractive point of GPS is its 100% coverage on the planet.
作为回应，全世界的人类共同努力，建立一个巨大的引擎系统，将地球推离垂死的太阳。
In reply, humans around the world work together to build a huge engine system that will push Earth away from the dying sun.
我们越来越意识到，我们不能仅仅靠工程来控制地球系统，并且意识到如果我们希望生活在平衡中，我们需要调节我们的行为。
We're increasingly aware of the fact that we can't control Earth systems with engineering alone, and realizing that we need to moderate our actions if we hope to live in balance.
以上这样效应已经被加里•沙福尔和他的同事们在胡姆贝克的丹麦地球系统科学中心成功模拟了。
The effect of both these processes has been modelled by Gary Shaffer and his colleagues at the Danish Centre for Earth System Science in Humlebaek.
由于地球表面弯曲，距离更远时，系统就遇到问题。
Any farther away, and the system encounters problems due to the curvature of the earth.
这个问题还不会立即得到解决，还不足避免明显的气候变暖，除非地球系统的改变倾向没有大多数科学家想象中的那样明显。
That problem will not be solved soon enough to avert significant climate change unless the Earth system is a lot less prone to climate change than most scientists think.
对于地球系统的刻意介入毫无疑问，将会震惊一些人。
To think of deliberately interfering in the Earth system will undoubtedly be alarming to some.
随着城市化进程的加速，城市的有机系统与地球大生物圈和资源体系之间相互作用也日益加深和扩大。
With the raped urbanization, a more extensive relationship and interaction has been established between the city organic system and earth's biosphere and resource system.
作为代替，地球系统科学家们将真实观测和复杂的电脑模型组合在一起。
Instead, Earth system scientists combine observations of the real world with complex computer models.
此类模型对于理解综合的地球系统意义重要，也有助于决策者考虑减少污染的方式。
Such models are important for understanding the integrated Earth system and aiding policymakers considering ways to reduce pollution.
UTM系统将地球分为60 个区，每个区基于横轴墨卡托投影。
The UTM system divides the Earth into 60 zones, each based on the Transverse Mercator projection.
我们正在干扰地球生命的支持系统。
随着城市化进程的加速，城市的有机系统与地球大生物圈和资源体系之间相互作用也日益深入，日益扩展。
With the rapid process of urbanization, the interaction between cities and the biological circle as well as the resources on the earth have become more and more strong.
默茨冰山的形成并不是全球变暖的象征，冰山只是地球环境系统中的一个普通组成。
By itself, the new Mertz iceberg is not a sign of global warming—icebergs are a normal part of the system.
水分子会蒸发，凝结，形成降水，重新进入地球的水循环系统。
The water molecules will eventually evaporate, condense, and recycle back to Earth as precipitation.
随着城市化进程的加速，城市的有机系统与地球大生物圈和资源体系之间相互作用也日益加深和扩大。
With the raped urbanization, a more extensive relationship and interaction has been established between the city organic system and earth’s biosphere and resource system.
NPP是NPOESS的风险降低任务，将成为2010年发射的下一代美国地球观测系统的首个主要组成部分。
NPP is a risk reduction mission for NPOESS, and will be the first major element of the next generation U.S. Earth observation system when it is launched in 2010.
追踪地球系统中能量和热量的构成非常重要，因为这对于当前天气和未来气候都有重要影响。
The build-up of energy and heat in Earth's system is important to track because of its bearing on current weather and future climate.
追踪地球系统中能量和热量的构成非常重要，因为这对于当前天气和未来气候都有重要影响。
The build-up of energy and heat in Earth's system is important to track because of its bearing on current weather and future climate.
应用推荐