Gravel packing in horizontal holes is quite different from that in straight holes because of the direction of the gravel packing being vertical to the gravity direction.
在水平井中，由于砾石充填方向与重力方向相垂直，因而其充填规律与直井存在着根本的区别。
So-called gravity anomaly linear structure signal is derivative of gravity anomaly level total gradient on gravity direction, and the derivatives must be greater than zero.
所谓重力异常线性构造信号就是重力异常水平总梯度沿重力方向的一阶导数且是大于零值的那一部分。
It would also answer such enduring puzzles as what dark matter is, the reason time flows in only one direction and how gravity works.
它也可以解答许多古老的问题，例如暗物质是什么，时间为什么只按一个方向流动，引力是怎样运行的。
You will perceive gravity in this direction when you're here and when you're here you will perceive gravity in that direction.
在这里，你会感觉到重力,是在这个方向,而这里，你会感觉到重力,是在那个方向。
You see the white stuff because this was the direction of gravity so it ended up here and there's some here.
你们看白色物质,因为这是重力的方向,所以白色物质都到了下面。
I'm going to put you in various positions and then ask you what is the direction of gravity.
我会把你放置在不同的情境中，然后问你重力的方向。
Notice in both cases you tell me that gravity is always in the opposite direction of either your pull or your push.
注意到无论是哪种情况，无论是被推还是被拉，重力始终是相反方向。
Think of this as being a plumb line to find... used to find the direction of gravity.
假设这是铅垂。，想想重力方向是怎样的。
Mr Miliband, says a close adviser, has a "20-year project" to shift Britain's centre of gravity in a distinctly "continental" direction.
一位与其关系密切的顾问表示，为使英国重心转向具有明显区别的欧陆轨道上，米利班德先生制订了一个20年规划。
So if we visit those points, for instance here, then there is, mg of course, gravity, mg, if there is an object there in the y direction...
如果观察这些点，比如这个，那么那个，当然是等于重力，如果那里有个物体,在y方向。
Therefore, there is now a centripetal acceleration in this direction, and so the particles now say "Aha! Gravity is in this direction."
所以就会产生向心加速度，在这个方向上，这些微粒会说，“啊哈，重力是这个方向的。”
And just for my convenience I call this now the plus direction just for my convenience — it doesn't really matter So now we have here mg — that is gravity acting upon you.
为了方便，正方向设为向下，方向如何取并不打紧，还有重力mg的-，作用。
Why? Because you feel the string is pulling on you in this direction, so you experience gravity there.
为什么，因为绳子是向下拉你的，所以感觉重力向上。
Since gravity is a conservative force, and since my force is always the same in magnitude except in opposite direction, ; it doesn't matter how I move in; it will always come up with the same answer.
既然重力是恒定的，我施加的力在大小上,不变，就是方向不同，无所谓我怎么移动;,答案总是,相同的。
The pull is in this direction and so the carpenter says "Okay, perceived gravity is in that direction."
拉力作用是这个方向，因此铅垂指出，而重力是这个方向。
We recognized that the geomorphology, gravity and magnetic anomalies trend ne direction as bandings.
这里的地形地貌、重力异常和磁异常沿东方向呈条带状分布。
Therefore, it is an important research direction of the current geological work to explore prospecting technology plan with remote sensing geology information extraction as the center of gravity.
因此，探索以遥感地质信息提取为重心的找矿技术方案是当前地质工作的一个重要研究方向。
However, the semicircular canals that the researchers stimulated to control walking and balance detect rotational movements of the head, not the direction of gravity.
然而研究人员通过刺激可以控制行走和平衡的半规管却是检测头部的转动而不是重力的方向。
The geophysics identification of hybrid bed and the flexible application of this new concept to the study on lacustrine gravity flow will be the next research direction.
混合层地球物理识别方法的建立及其相关概念在湖泊重力流研究中的灵活应用将是下一步的研究方向。
A physical force equivalent to one unit of gravity that is multiplied during rapid changes of direction or velocity.
在快速变向或变速过程中，车手受到的外力是多项作用力叠加的结果，一般以一个重力加速度为单位。
The movement of the calcium crystals sends a signal to the brain to tell us the direction of gravity. This is not the only cue the brain receives.
钙晶体的运动向大脑发出信号使我们感知地球引力的方向，但这不是大脑接收到的惟一信号。
Since the rider leans into the direction of the turn, the center of gravity is optimized producing a trike with excellent low speed handling.
由于车手转倾入的方向时，重心的优化生产具有优良的处理三轮车低速。
The role of gravity and centrifugal force, the direction of each other the contrary, in mathematics can be described as positive and negative size of the two forces.
引力与离心力作用方向互为相反，在数学中可以描述为正，负大小的两个力。
To simulate gravity (by using inertial effects), accelerate the structure in the direction opposite to gravity.
为了模拟重力(使用惯性效应)，将结构朝与重力相反的方向加速。
The gravity wave dispersion can promote the propagation of the strong wind center along the LLJ, and the dispersion direction was influenced by the steering flow and the water vapor concentrated area.
重力波的频散有利于急流中心大风区的传播，引导气流和水汽集中区对传播方向有显著影响；
Gravity model is a good tool to explain the direction and flow of bilateral trade, and has gained success on the empirical research in international trade.
引力模型作为解释双边贸易流向和流量问题的有力的分析工具，已经在国际贸易实证研究中获得了相当的成功。
In this paper, we discuss the characteristics for magneto-acoustic-gravity waves propagating along the direction of gravitational field in the earth's magnetosphere near the equator.
本文讨论了赤道附近地球磁层中磁声重波沿重力场方向的传播特征。
In this paper, we discuss the characteristics for magneto-acoustic-gravity waves propagating along the direction of gravitational field in the earth's magnetosphere near the equator.
本文讨论了赤道附近地球磁层中磁声重波沿重力场方向的传播特征。
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