Water covers a large proportion of the earth's surface.
水覆盖了地球表面的大部分。
Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.
臭氧在距地球表面12至30英里的地方形成一个保护层。
Nearly three quarters of the earth's surface is covered by water.
地球表面近四分之三被水覆盖。
It's blue because water covers almost three quarters of the Earth's surface.
它是蓝色的，因为水几乎覆盖了地球表面的四分之三。
They block most of the solar energy so it never reaches Earth's surface.
它们阻挡了大部分的太阳能，使它永远无法到达地球表面。
If diamonds are to survive, though, they must shoot toward Earth's surface quickly.
然而，如果钻石要存活，它们必须迅速地飞向地球表面。
More infrared radiation would be absorbed and reradiated back to the Earth's surface.
更多的红外辐射将被吸收并重新辐射回地球表面。
Earth's surface consists of rigid plates that are constantly shifting and jostling one another.
地球表面由不断移动和相互碰撞的刚性板块组成。
So sediment is transported and then deposited and it forms layers on the Earth's surface over time.
所以沉积物被运输，然后沉积，随着时间的推移，它在地球表面形成了层。
In some cases, the water table reaches Earth's surface, where it is expressed as rivers, lakes and marshes.
在某些情况下，地下水位到达地球表面，在那里以河流、湖泊和沼泽的形式表现出来。
The oceans that cover three quarters of the Earth's surface can be thought of as our great water reservoirs.
占地球表面四分之三的海洋可以被看作是我们巨大的蓄水池。
These developments have caused major changes like additional erosion of the Earth's surface and deforestation.
这些发展导致了重大变化，如地球表面的进一步侵蚀和森林砍伐。
At the Earth's surface, these tempests can be detected by changes in the strength of the Earth's magnetic field.
在地球表面，可以通过改变地球磁场强度来检测这些风暴。
Something in addition to the iron on Earth's surface must have absorbed much of the oxygen produced by plant life.
除了地球表面的铁以外，一定有什么东西吸收了植物产生的大量氧气。
Hydrothermal vents are cracks in the Earth's surface that occur, the ones we are talking about here are found deep at the bottom of the ocean.
深海热泉是地球表面出现的裂缝，我们在这里提到的裂缝是在海底深处发现的。
Allopatric speciation can also be brought by the imperceptibly slow but colossal movements of the tectonic plates that make up Earth's surface.
构成地球表面的那些构造板块极其缓慢但剧烈的运动，也可能导致异地物种形成。
Even if Earth's surface were not actually sterilized by this bombardment, it is unlikely that any but the most primitive life-forms could have survived.
即使地球表面并没有被这种轰炸所灭绝，但除了最原始的生命形式之外，几乎不可能有其他生命形式幸存下来。
As a way of reconciling these two facts, scientists have hypothesized that nearly all of the oxygen being produced was taken up by iron on Earth's surface.
为了调和这两个事实，科学家们假设，几乎所有产生的氧气都被地球表面的铁吸收了。
When a reservoir is sufficiently large, a sphere of this hot rock forces its way up through the upper mantle to Earth's surface, creating a broad bulge in the topography.
当储层足够大时，这种炽热岩石的一个球体强行通过上地幔上升到地球表面，在地形上形成一个宽阔的隆起。
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。
Earth's surface is not made up of a single sheet of rock that forms a crust but rather a number of "tectonic plates" that fit closely, like the pieces of a giant jigsaw puzzle.
地球表面并不是由构成地壳的单块岩石构成，而是许多紧密相连的“构造板块”，像一块巨大的拼图。
Rainforests make up only a small part of the Earth's surface, about six percent, but there are more kinds of trees than any other area in the whole world.
热带雨林只占地表的一小部分，大约是6%，但它的树木种类比世界上任何其他地区都多。
The transmitted radiation is either absorbed or reflected at the Earth's surface.
发射的辐射要么被吸收，要么在地球表面反射。
Over 70 percent of the Earth's surface is water.
地球表面百分之七十以上是海洋。
Seventy-one percent of the earth's surface is covered by water.
地球表面的百分之七十一被水覆盖。
In liquid and frozen form, it covers 75% of the Earth's surface.
液态和固态形式的水覆盖了地球表面的75%。
Great drifting plates that make up the earth's surface; on the contrary.
表面巨大漂流板块之间的边界上出现；相反，它们中有许多位于一个板。
GIS systems acquire and process spatial data describing the Earth's surface.
GIS系统可获得并处理描述地球表面的空间数据。
Sulfate and soot also vary in their impact on temperature at Earth's surface.
硫化物和煤烟对地球表面的气温的影响，表现各异。
Sulfate and soot also vary in their impact on temperature at Earth's surface.
硫化物和煤烟对地球表面的气温的影响，表现各异。
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