Under the control of the Sun's gravitational force, each planet maintains an elliptical orbit and all of them travel in the same direction.
在太阳引力的控制下，每个行星都维持在一条椭圆形的轨道上，并按照相同的方向移动。
There is a gravitational force.
有一个重力作用。
And now we're going to multiply that by the gravitational force constant.
我们现在把这个结果，和重力常量相乘。
So if we apply that concept, then we first have to know what is the gravitational force.
如果我们运用这概念，我们必须先知道，引力是什么。
Thanks to Newton's universal law, we can figure out the gravitational force between any two objects.
正是有了牛顿的万有引力定律，我们才能计算出任意两物体间的引力。
A heavenly body kept in orbit around a planet by gravitational force.
一种因引力而沿轨道绕行星旋转的天体。
This strong connection is like a gravitational force on a higher dimension.
这种强烈的关系，就好像更高维次里的万有引力。
In fact, the moon's gravitational force is only one-sixth that of the Earth.
实际上，月球的引力只有地球引力的六分之一。
The gravitational force acting on an object at the Earth's surface is called the weight of the object.
作用于地球表面上物体的引力，叫做物体的重量。
Newton's problem was to express in mathematical terms the gravitational force between different bodies.
牛顿的目标是要用数学形式来表示不同物体之间的引力。
The Earth's gravitational force or pull keeps us and everything else on Earth from floating away to space.
地球的引力或拉力，使我们和地球上别的任何东西都不致飘浮到空间去。
And there has to be here a force on the system, the gravitational force, which is the same as the centripetal force.
这个系统中，存在重力，和向心力相等。
In one direction there is a constant gravitational force, in the other very many irregular blows from the molecules.
在一个方向上有不变的重力在作用，在另一个方向上则是分子的大量不规则的碰撞。
And it's important conceptually because a lot of the forces are gradients of potentials, namely, gravitational force, electric force.
这在概念上很重要，因为很多力都是势场的梯度，比如重力场，电场。
Gravitational field is a kind of vector field, and the description of gravitational force by general relativity is very effective.
引力场是一种矢量场，广义相对论对引力问题的描述是非常有效的。
At this time the Suns gravitational force partially offsets the Moons gravitational force causing lower than normal tides called neap tides.
这时，太阳的部分引力抵消月亮的引力，形成比平常还低的潮水，称为小潮。
The study results indicate that in a slender tube the influence of gravitational force and gas-liquid surface tension force can be neglected.
研究结果表明在细小管内，重力和气液表面张力的影响可以忽略。
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。
Another key purpose that our moon serves is that its gravitational force stabilizes earths axis with respect to earths plane of orbit around the sun.
月球也有另一个主要功用：它的引力使地球的轴心跟地球绕太阳运行的轨道平面保持一定的倾斜度。
Obviously, borrowed soil sprayed on slope surface tends to slide or collapse under actions of rainwash, seepage, gravitational force, earthquake, etc.
显然，由于雨水冲刷、渗流、重力、地震等因素的影响，被喷播到边坡坡面上的客土存在力学稳定性问题。
This is the formula for a thick vertically faulted slab with such a large throw that the downthrow side makes no contribution to the gravitational force.
这是有垂直断层的厚板体的公式，其断层的落差是这样大，以致下落翼对重力场没有什么影响。
The paper expounds the principle and the method of measuring zenith distance for celestial positioning based on the direction of gravitational force line.
论述了在海上进行天文定位时以重力线作基准直接测定天体顶距的原理和方法。
They are the result of the rays coming from the galaxy in the background being twisted and enlarged by the gravitational force of galaxy clusters in front.
它们是背景的星系所发出的光被前方的星系团引力扭曲、放大后所产生的像。
Circle centrifugal flotation ce1l is a new high-efficient equipment for slime separation which worked by centrifugal force and gravitational force as a whole.
圆形离心浮选机是集离心力场和重力场作用于一体的有效用于细煤泥浮选的新型煤泥浮选设备。
Generally the curtain-wall glass is loaded complexly. The loads include wind-pressure (the main load), gravitational force, seismic force and temperature-effect, etc.
幕墙玻璃一般承受自重、直接作用于表面的风荷载、地震作用和温度作用等荷载的组合作用，其中风荷载是主要荷载。
Generally the curtain-wall glass is loaded complexly. The loads include wind-pressure (the main load), gravitational force, seismic force and temperature-effect, etc.
幕墙玻璃一般承受自重、直接作用于表面的风荷载、地震作用和温度作用等荷载的组合作用，其中风荷载是主要荷载。
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