我们想知道，质量重心的速度是多少，对于另一个。
We want to know what the velocity is of the center of mass of the other one.
给物体一个推力，就等价于推力作用在重心的情况。
If you are going to push that object that would be really where the equivalent point mass would lie.
我们要关上灯，我想给你们展示，质量重心的运动。
So now we're going to turn off the lights and I want to show you the motion of the center of mass.
同时它也是东北大学培养学生人际沟通技能这一新重心的一部分。
It is part of Northeastern's new focus on cultivating students' interpersonal skills.
顺便提一下-，这并不明显-，它也是质量重心的速度。
This, by the way — - it's not so obvious — is also the velocity of the center of mass.
造成此天生缺陷的原因，是因为两只主轮在重心的前面。
This design is inherently unstable because the plane's center of gravity is located behind the two main gear.
一个小的情绪波动或失去重心的感觉扰乱了你的这一天。
A minor emotional disequilibrium or feeling of being off-center is apt to disrupt your day.
这样的设计下，发动机叶片的面积和重心的有效载荷自由。
The design thus leaves the area under the engines and on the centre of gravity free for the payload.
人体重心测试系统就是利用人体重心的变化判断人的平衡能力。
The testing system of gravity center of human body can judge the balance function through the variety of gravity center.
目的研究脑卒中偏瘫患者站立时重心的偏移对其功能预后的影响。
Objective To study the influence of center of gravity excursion in standing on function outcome of stroke patients.
像一个巨大的圆盘，它在太空中缓缓地旋转，以仿照地球重心的引力。
Described as an enormous round plate, it spins slowly in space to imitate the pull of the earth's gravity.
要进入重心体系，你就必须减去速度，重心的速度，从原始速度中减去。
So to get into the center-of-mass frame, you must subtract the velocity of the center of mass from the initial velocities.
农业政策并不能预先根据每一次新的经济冲击或经济重心的变动而变化。
Agricultural policies do not charge predictably in response to each new economic shock or shift in priorities.
灯塔船在其建造的过程之中，其重量与重心的控制是一门非常重要的学问。
It is a vitally important task to achieve control of the weight and center of gravity of lightship during building a new ship.
太空站像一个巨大的圆盘，在太空中缓缓地旋转，以仿照出地球重心的引力。
Described as an enormous round plate, it spins slowly in space to imitate the pull of the earth's gravity.
孕激素放松了你的关节和韧带以及你重心的改变，你可能希望它有轻微的疼痛。
Between the pregnancy hormones loosening joints and ligaments and your shifting center of gravity you may be wishing it ached only a little.
孕激素放松了你的关节和韧带以及你重心的改变，你可能希望它有轻微的疼痛。
Between the pregnancy hormones loosening joints and ligaments and your shifting center of gravity, you may be wishing it ached only a little.
转换：利用引导变换将重心从山下板转移到新的山下板上，没有重心的上下移动。
Transitions: The weight shifts fromdownhill ski to the new downhill ski using lead change with out upweighting anddown weighting.
塞里格曼说，最初他觉得大家会很快支持工作重心的这种转变，事实却不那么容易。
This change in emphasis, Mr Seligmann says, has not been as easy for people to agree on as he initially thought it would be.
转换：利用引导变换将重心从山下板转移到新的山下板上，没有重心的上下移动。
Transitions: the weight shifts from down hill ski to the new downhill ski using lead change with out up weighting and down weighting.
架构管理反映了软件架构重心的根本转变，是通过业务驱动设计，而非设计驱动业务。
Architecture management reflects a fundamental shift in the emphasis of software architecture in that it's the business driving the design; not the design driving the business.
我向你们提到过,重心的运动是稳定的,若不受外力，我可以再次演示,在空气轨上。
So I mentioned to you that the motion of the center of mass is very uniform in the absence of external forces, and that I can demonstrate for you again with the air track.
义务教育管理重心的提升，对陷入财政极度困难的农村义务教育带来了活力与希望。
The upgrade of management center of compulsory education management brings us a hope that resolves the finance problem of rural compulsory education.
同时证明，在起跳过程中摆动腿的摆动动作对身体重心的运动状况具有重要的影响。
The result showed that the swing leg has great influence on the motion of the body's center of gravity in the take off.
结果撑起动作正确完成受多种因素的影响，其中最主要的影响因素是重心的调整问题。
Results the correct accomplishments of LIFTING action were influenced by many factors, of which the adjustment of center of gravity was an important one.
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。
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.
但据报道，这一代女性以工作为重心的选择如今似乎让她们当中的许多人都没能成立自己的家庭。
But now it would seem their choices to focus on work has left many of them without a family of their own, it has been reported.
游泳运动员在空中时，身体重心的运动轨迹一经确定，就不会因为任何一种身体动作而有所改变。
Once a swimmer is in the air the trajectory of the center of gravity is set and cannot be changed by any body movements.
将重心的实际位置与理论位置相减，得到偏差量，将此偏差量消除系统误差，传给望远镜控制系统。
The error between the actual position and the theoretic position will be gotten and feed back the control computer.
将重心的实际位置与理论位置相减，得到偏差量，将此偏差量消除系统误差，传给望远镜控制系统。
The error between the actual position and the theoretic position will be gotten and feed back the control computer.
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