Upwards of a billion stars in our galaxy have burnt up their internal energy sources, and so can no longer produce the heat a star needs to oppose the inward force of gravity.
在我们的星系中，超过10亿颗恒星已经耗尽了它们的内部能量来源，因此无法再产生恒星所需的热量来对抗向内的引力。
She is a force of gravity in her long gray dress.
灰色长裙下的她就像一股地心引力牢牢将他吸住。
During launch of the Soyuz craft, cosmonauts experience four times the force of gravity.
在联盟号发射的时候，宇航员所承受的是4倍的重力加速度。
The core of the book describes an attempt to unify the fundamental forces of matter with the force of gravity.
这本书的核心就是描述一个试图统一引力和其它基本相互作用的理论。
The force of gravity makes things fall.
地球的引力使物体下落…
What is the force of gravity at sea level?
海平面的地球引力多大?。
The force of gravity makes things fall to ground.
重力使物体都落到地上。
Obviously the force of gravity is acting vertically downward.
显然重力的作用垂直向下。
The force of gravity on the moon is much less than on the earth .
月球的引力比地球上的引力小得多。
The bigger and heavier a body is, the greater is its force of gravity.
物体越大、越重，其引力也就越大。
For calculating the force of gravity on a satellite, the radius of the earth is irrelevant.
计算地球作用于卫星的重力时，地球的半径是无关紧要的。
As you age, the circles can darken and the force of gravity will also make the circles look larger.
随着年龄的增长黑眼圈会更严重，同时随着地心引力的作用有扩大的趋势。
The force of gravity is not constant everywhere for elliptical form and rugged surface of the earth.
由于地球的椭圆形状及其高低不平的表面，重力不是到处都一样的。
At least, we cannot deny such a possibility until we know exactly the nature of the force of gravity.
至少地，我们无法否认有这样一种可能性，直到我们完全了解引力的本质为止。
The material drops on the center of the grinder with the help of the force of gravity and the gas impact.
物料借助于重力和气流的冲击作用而落到磨盘中央。
Before we left, Li Yanping explained to me that the force of gravity would change three times on our journey.
出发前，李颜平对我解释说旅途中地心的引力会变化三次。
Matters existing on earth will behave in a different manner when in space where there is no force of gravity.
我们在地球上发生的事物，在没有地心吸力的太空中便不一样。
For instance the geomagnetic Field, the heat flow, the propagation of seismic waves, the force of gravity, etc.
例如，应用地球物理勘探，可以了解诸如地磁场、热流、地震波的传播和重力等地球物理性质。
In the same way, the rotation of the material in a disk prevents it from collapsing inward under the force of gravity.
相同的道理，圆盘上物质的转动阻止了重力作用所引发的向内崩塌。
Suppose a spacecraft floats freely somewhere in space so far from any stars that there is no force of gravity inside it.
假设一个宇宙飞船在宇宙中某个地方自由的漂浮着，和所有的星球都很远，所以里面没有任何引力。
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。
When massive stars exhaust their nuclear fuel and can no longer resist the relentless, crushing force of gravity, they collapse violently.
当耗尽核燃料的时候，大型恒星再也抵挡不住核心引力造成的残酷的粉碎性重压，它们发生剧烈塌缩。
The net effect on the piston of all these small irregular forces must be equal to that of the force of gravity if there is to be equilibrium.
假使两方面保持平衡，那么所有这些小的不规则的力对活塞的有效作用必须与重力相等。
Gravity instruments are designed to measure variation in the force of gravity from one place to another rather than the absolute force itself.
重力仪的设计是为了测量一处到另一处的重力变化，而不是绝对重力值本身。
The force of gravity starts to pull together huge regions of relatively dense cosmic gas, forming the vast, swirling collections of stars we call galaxies.
引力逐渐把密集的大区域星云气体拉拢，形成那些巨大、漩涡状结构的所谓星系群。
The growth of these structures was initially driven only by the attractive force of gravity, but then later there was competition with the repulsive force of dark energy.
这些宇宙空间中的结构最初是由于万有引力的作用开始进化的，但不久之后就有暗能量的反重力作用与其对抗。
The growth of these structures was initially driven only by the attractive force of gravity, but then later there was competition with the repulsive force of dark energy.
这些宇宙空间中的结构最初是由于万有引力的作用开始进化的，但不久之后就有暗能量的反重力作用与其对抗。
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