这些矿石中的一种负载石在漫长的地球演变过程中变成了具有磁场能力的块状的大型天然铁。
One of these was loadstone which is basically a chunk of naturally occurring iron which has somehow in the course of the earth’s long history obtained a magnetic orientation.
这是一个例子种的发现，个别的信使团队将拼凑给我们一个新的图片是如何形成和地球演变。
This is an example of the kind of individual discoveries that the MESSENGER team will piece together to give us a new picture of how the planet formed and evolved.
Macdonald说到，这一切向我们揭示了对地球演变史中的“自然实验”做研究是非常重要的，这远比我们用电脑模拟得出来的数据更加有意义。
That means investigating such "natural experiments" in Earth's history is crucial, Macdonald said. "That's going to tell us a lot more than any little [computer] model can say."
考虑到地球上的生命的非凡多样性，一定存在着形成物种的机制：从一个原始物种演变为两个物种。
Given the extraordinary diversity of life on the planet, there must be mechanisms for speciation: the formation of two species from one original species.
跟随着贝格尔号做环球航行，达尔文开始思考地球上生命的演变。
As the Beagle sailed around the world, Darwin began to wonder how life had developed on earth.
位于人马座的此星云距离地球5800光年，它是一个新星团的孕育场，八百万年前新星团由云团演变而来。
Located 5, 800 light-years from Earth in the Centaurus constellation, this nebula is a stellar nursery of new star clusters born from a cloud 8 million years ago.
所以对地球的气候演变感兴趣的科学家们利用过去冰川的形成来判断目前的情况。
So scientists interested in the evolution of earth's climate use these icy formations to gauge local conditions from the past.
虽然很多人都会，而看到我们刚刚和回地球，是什么在起作用好多灵魂的演变是从内部做它。
Although many would have rather seen us just come and take the planet back, what works so much better for the evolution of the soul is to do it from within.
演变着的时间——6895天仅仅相当于地球35亿年历史的0.00000005%。
Evolutionary time, in which 6,895 days represent a mere.000000005% of the 3.5 billion year history of life on Earth.
大陆架并不是永远不变的，它随着地球地质演变，不断产生缓慢而永不停息的变化。
The continental shelf are not immutable, and it along with the geological evolution of the Earth, has produced a constant slow and never-ending change.
地质学家利用热力学相图推测地球的演变过程。
Geologists use thermodynamic phase diagrams to understand processes in the earth.
这些突变对地球表层系统的演变与进化产生了巨大影响。
These events had great influence on the evolution of the earth's surface system.
金星和地球从类似的条件开始演变，但形成了两个完全不同的状态；
Venus and Earth started out in similar conditions, but ended up in two highly different states;
20世纪50年代末60年代初由冲浪运动演变而成的滑板运动，在而今已成为地球上最“酷”的运动。
50 20th century by the late 60's early surfing skateboarding evolved in the planet and have now become the "cool" of the movement.
白垩纪作为距今最近的“温室地球”时期，对该时期的沙漠演化展开系统研究对认识现代沙漠形成演变具有重要意义。
Cretaceous is the latest typical greenhouse Earth state, thus the systematic research on the desert evolution in these period is of great significance to understand the modern desert.
地球上的山脉、沙漠、海洋又是怎样形成的呢？地球上的生命又是如何演变进化而来的呢？
How were its mountain ranges, deserts, and oceans created, and how did life on Earth evolve?
对所得仿真数据利用求和取平均的方法去除摄动力产生的短周期效应，通过分析去短周期项后的数据揭示出逆行地球同步轨道的演变特点。
Numerical solutions are periodically summed and averaged to get rid of short-periodic-term effects. By analyzing polished data, its orbit characteristics are revealed to us.
对所得仿真数据利用求和取平均的方法去除摄动力产生的短周期效应，通过分析去短周期项后的数据揭示出逆行地球同步轨道的演变特点。
Numerical solutions are periodically summed and averaged to get rid of short-periodic-term effects. By analyzing polished data, its orbit characteristics are revealed to us.
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