The moon exerts a force on the earth that causes the tides.
月球对地球的吸引力引起潮汐。
Sounds bounce off heavy storm clouds and return to earth with increased force.
声音从暴风云中反弹回来，并带着更大的力量返回地球。
This force tries to take the satellite away from the earth.
这个力试图把卫星从地球上带走。
If we acknowledge that human manipulation of the Earth has been a destructive force, we can also imagine that human endeavours can help us build a less destructive world in the centuries to come.
如果我们承认人类对地球的操纵是一种破坏，我们也可以认为，人类的努力可以帮助我们在未来几个世纪建立一个破坏性较小的世界。
The other force is created by the turning of the satellite around the earth.
另一种力是由卫星围绕地球转动产生的。
When plants shoot on the earth, their stems grow away from the gravity (the force that keeps your feet on the ground), and so they always shoot upwards.
当植物在地面上生长时，它们的茎生长得方向与重力相反（重力是让你的脚留在地面上的力量），因此它们总是向上生长。
One of them is the force of gravitation (地心引力), which tries to pull the satellite towards the earth and is like a rope which keeps the satellite from flying away.
其中一个是地心引力的力量，这股力量试图把卫星拉向地球，就像一根把卫星绑住的绳子，防止卫星飞远了。
The poet, after all, is subject to gravity in Frost, to the force of the earth.
这个诗人，弗罗斯特，终究还是受制于地心引力，受制于地球的力量。
This picture tells us a simple truth： Appreciative words are the most powerful force on earth!
这幅图画告诉我们一个简单的真理：赞扬是世界上最强大的一种力量！
This picture tells us a simple truth: Appreciative words are the most powerful force on earth!
这幅图画告诉我们一个简单的真理：赞扬是世界上最强大的一种力量！
Well, the earth is going to fall towards the apple — So the force on the earth is the mass of the earth times the acceleration of the earth.
地球也会坠向苹果-，因此地球上的力与地球的质量相等，再乘以地球的加速度。
Of course this force was exceedingly small, compared with that of the earth; and for that reason the vibrations of this pendulum were by far slower than those of a common one.
当然，跟地球的引力比较，大球的引力极其微小；所以，小球的摆动比通常所见的摆动要缓慢得多。
By this the attractive force of the earth was not suspended, it is true; but it was balanced by the equality of the weights.
这样一来，地球引力对钢棍的作用就互相抵消，这是必然的。而且，由于两端重量相等，所以它能够保持稳定。
The politeness cracks as does the earth with the force that he now pitches the spade, prising apart the darker soil into a deep fissure.
原先那份客气就像他铁锹之下的泥土一样碎裂了。 底下的土颜色更黑一些，他拿铁锹狠扎，扎出了一道深深的裂口。
Here, extreme temperatures and pressures force lava up through the layers of the Earth in tubes criss-crossing the mantle like a sort of chaotic plumbing for lava.
在地幔的高温和强压作用下，火山岩有如涌入杂乱无序的管道，阡陌纵横于地幔，向上渗入地球各圈层。
Project Mayhem will force humanity to go dormant or into remission long enough for the Earth to recover.
“大混乱行动”将迫使人类文明休眠好让地球有足够的时间恢复。
When the warmed alloy is placed near a permanent magnet, like a rare-earth magnet, the alloy's magnetic force increases suddenly and dramatically.
当加热的合金放置在永久磁铁——如稀土磁铁附近时，合金的磁力会突然戏剧性地大幅增加。
The satellite had trouble maintaining orbit, and by late 2007 the Air Force determined that it would soon crash to Earth.
这颗卫星发生了一些故障而无法保持在其正确的轨道上，2007年底空军确定它将很快坠落在地球上。
Gran Sasso and CERN are at different distances from the center of the Earth, so the force of gravity varies slightly between the two LABS.
由于格兰·萨索与欧洲核子研究中心，这两个位置离地球中心的距离并不一样，所以这两个实验室里的重力也稍许有所差别。
In the beginning, there was only chaos, the primodial abyss.Then came Gaia, the Earth Goddess, and Eros, the force of love.
宇宙初开，只有混沌和原始深渊，然后大地女神盖亚和爱神厄洛斯出现了。
But now, according to the Third Law the earth must experience exactly the same force as the apple does but in opposite direction.
第三定律告诉我们,地球也会受到,与苹果方向相反,大小相同的力。
For those of us on Earth (basically all of us, ISS-crew excepted), the moon's gravitational force is most evident in the way it influences the tides.
对于生活在地球上的人而言(所有的人，除了国际太空站的工作人员以外)月球引力最显著的表现就是对潮汐变化的影响。
And so you see that the gravitational force due to the earth on a particular mass is linearly proportional with the mass.
你知道重力由地球产生，它与物体质量，成正比。
This is not a speed you will sense, as in G force when a shuttle takes off from the surface of the Earth.
就如航天飞机从地球表面升空时，其力量是以“G”计算的，因而这种速度你是不能感知的。
The Earth is heavier than the Moon, and therefore attracts our bodies with a much greater force.
地球比月亮更重，因此对我们身体的引力更大。
They possess mystical powers that allow them to travel the spirit world, strike with stealth or monstrous force and even call on the forces of the earth itself.
他们拥有的神秘力量使他们可以在精神世界旅行，与鬼祟或者畸形的力量战斗甚至能召唤出土地本身的力量。
The resulting rocket, the most powerful in use by the US Air Force, is capable of lifting over 23,000 kilograms into low Earth orbit, comparable to NASA's Space Shuttle.
该运载火箭是美国空军所有火箭中运载能力最强的，可以将23000公斤的货物送入地球低轨道，可与NASA的航天飞机媲美。
The resulting rocket, the most powerful in use by the US Air Force, is capable of lifting over 23,000 kilograms into low Earth orbit, comparable to NASA's Space Shuttle.
该运载火箭是美国空军所有火箭中运载能力最强的，可以将23000公斤的货物送入地球低轨道，可与NASA的航天飞机媲美。
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