Structures can be analyzed in terms of how they deal with downward forces created by gravity.
人们根据建筑物如何处理由重力产生的向下的力来分析它们。
Over billions of years, the gas was compressed by gravity into galaxies, stars, plants and eventually, even humans.
在数十亿年的时间里，这些气体被引力压缩成星系、恒星、植物，最终甚至变成了人类。
The stone rolled down the mountain by gravity.
这块石头由于重力作用而滚下山。
Because the surface of the water table is not flat but instead rises and falls with topography, groundwater is affected by gravity in the same fashion as surface water.
由于地下水位不是平面的，而是随着地形起伏的，所以地下水和地表水一样受到重力的影响。
It just goes simply by gravity.
仅受重力作用。
Others [red] have been pulled in by gravity.
其他小行星（图中红色部分）被万有引力吸进来。
The stone rolled down the hill by gravity.
石头在重力作用下向山下滚去。
They are opened by velocity pressure, and closed by gravity.
它们在流体流速压力下开启，在重力作用下关闭。
You are also unaffected by gravity and other laws of physics.
你也不受重力和其他物理法则的影响。
Galaxy clusters are the largest objects bound by gravity in the universe.
银河系星云是宇宙中通过重力相连的最大的物体。
The experiments help visualise how light travels in space warped by gravity.
实验有助于形象化地显示光在被引力所弯曲空间内的传播情况。
B Well, when it goes from a to b, -mgh1 the work done by gravity is minus mgh1.
当物体从A到，重力做的功为。
Sometimes likened to UFOs, lenticular clouds are usually created by gravity waves.
透镜状云彩很像UFO，它通常由引力波造成。
The Auroras, as we have stated, are not magnetic at all but light rays bent by gravity.
极光，正如我们所说，跟磁场没有一点关系而是由于引力而弯曲的光线。
All of the drinking water coming from the Catskills to New York City is delivered by gravity.
从卡茨基尔山到纽约市的所有饮用水都是通过重力输送的。
Draw a car and hurl it down a steep track, only powered by gravity and - obviously - red Bull.
画了一辆汽车，投下来一个陡峭的轨道，只有动力和重力-显然-红牛。
The satellite traveling in the orbit is always escaping from the earth only to be pulled back by gravity.
在轨道上运行的卫星总是要飞离地球，而结果总是被地心引力拉回来。
A powder container, typically cone shaped design to force powder by gravity to feed a gun or transfer system.
一个粉末容器，典型的锥形设计为了使粉末以重力的方式进入喷枪或输送系统。
The reeling out of the drilling line is powered by gravity and reeling in by an electric motor or diesel engine.
松开钢丝绳是依靠重力的作用，而缠绕钢丝绳则是借助于电马达或柴油机。
Single cylinder with imported balance valve for front support elevation hoist down by gravity low energy consumption.
单缸前支前幅，重力下降，能耗低，进口平衡阀。
The galaxies, containing a vast number of stars, swing past each other in a graceful performance choreographed by gravity.
这两条银河容纳了大量的星星，在重力的作用下，他们以优美的舞蹈动作相互摇摆旋转。
The distribution of stresses in the earth's crust induced by gravity has beenanalyzed with the theory of elastic mechanics.
本文应用弹性力学理论，对地壳中重力诱导的应力进行了分析，得出了垂直应力和水平应力与重力和半径的关系式。
Is it, for instance, mostly rock and ice with a few pockets of gas, or is it a loose pile of rubble held together by gravity?
例如，是由大量的石头、冰川和少量的气体构成还是由在重力作用下聚在一起的松散的碎石堆构成。
The amount of redshift they found that appeared to be caused by gravity agreed exactly with the predictions of general relativity.
他们发现的红移量，似乎是由引力所引起，其数量恰好与广义相对论的预测相符合。
The newton, named after the physicist Isaac Newton, is approximately the force exerted by gravity on an apple at the Earth’s surface.
物理单位“牛顿”，是以物理学家伊萨卡牛顿命名的，一牛相当于一颗处于地球表面苹果因重力因素而所受力的大小。
The planets and the major moons have all been squeezed and heated by gravity and pummeled by giant impacts, erasing much of their history.
那时，行星和一些主要的卫星承受着由重力造成的挤压加热以及巨大冲击造成的击打，这清除了它们许多的历史痕迹。
The whole idea gained little attention in the 19th century, since light was thought to be a massless wave, not influenced by gravity.
整个想法在第19世纪自从光被认为是无质量的、不受引力影响以来得到很少的关注。
Sludge which settles in the secondary clarifier is picked up by the sludge scoop and can flow by gravity to digestion and storage facilities.
沉降在二沉池中的污泥被污泥铲铲起由于重力流入污泥消化储存设施中。
Once an asteroid starts approaching Earth, it will do so again and again in an orbital waltz driven by gravity as both bodies travel around the Sun.
一旦某颗小行星开始接近地球，它会在重力作用下，像跳华尔兹一样，一次又一次接近地球，因为它和地球一样也绕太阳运行。
Once an asteroid starts approaching Earth, it will do so again and again in an orbital waltz driven by gravity as both bodies travel around the Sun.
一旦某颗小行星开始接近地球，它会在重力作用下，像跳华尔兹一样，一次又一次接近地球，因为它和地球一样也绕太阳运行。
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