该方法可用于分析典型的交通事故碰撞速度。
The method can be applied widely in traffic accident reconstruction.
然后用不同方法求出一个事故案例的汽车碰撞速度。
Then the collision velocity of a real accident example is estimated using different methods.
交通事故碰撞速度的判断是事故再现的重要内容之一。
The judgement of motor vehicle collision velocity is an important problem in traffic accident reconstruction.
建立碰撞模型求解碰撞速度是交通事故再现的关键步骤。
A key step of accident reconstruction is to establish impact models for calculating the impact velocity of vehicles.
为交通事故再现推测碰撞速度提供了一种简单实用的方法。
The methods give a simpler way to evaluate collision speed in traffic accident reconstruction.
该模型可以对实际的事故进行再现分析和车辆碰撞速度估算。
Thus, the simulation model can estimate the vehicle velocity in pedestrian-vehicle accident and can be applied to a real traffic accident reconstruction.
分析了用变形能网格图计算斜碰撞速度时产生误差的主要原因。
The main reason producing error is analyzed when using deformation energy square calculates oblique collision speed.
推算汽车交通事故中车辆的碰撞速度是进行交通事故技术鉴定的重要内容。
The crash speed of the accident involved vehicle is often the main technical judgement of the accident.
它们被聚集起来投入实验，此时速度大约是5米每秒——仅为空气中分子自由碰撞速度的百分之一。
They are gathered up and injected into the quantum experiment at speeds of around five meters per second - just a hundredth the speed of the molecules flying around in the air.
通过回归分别建立了碰撞速度、碰撞角度与平曲线半径及转向、运行速度、硬路肩宽度的相关模型。
The models of collision speed and collision Angle relating to horizontal curve radium and its direction, hard shoulder width and operation speed are derived by regression.
本文根据动量平衡和动量守恒定律的基本原理，提出了两种推算碰撞前汽车动量或碰撞速度的图解方法。
Based on momentum balance and the law of momentum conservation, two new graphic methods are developed to determine the pre-impact vehicle momentum or collision speed in this paper.
在此基础上计算得出行人头部及下肢伤害与汽车碰撞速度的变化关系，可为改善汽车的行人安全性提供参考。
Based on those results, the relationship between pedestrian's head and leg injuries and car impact velocity was studied which can provide references for improving cars' pedestrian safety.
他们认为，如果驾驶员前方车体部分的尺寸能够达到几英尺长，就能消散碰撞产生的能量，降低速度变化的突然性。
With several feet of car body in front of the driver, the energy of a crash can be dissipated and the suddenness of the change in velocity can be reduced, they say.
当大型强子对撞器达到它操作的最大限度时——这个月早些时候它为碰撞发生的速度设置了一项新记录——离奇古怪的结果必然会越来越频繁地意外出现。
As the LHC reaches its operational capacity-earlier this month it set a new record for the rate at which collisions occur-curious results are bound to crop up more and more frequently.
之所以选择这样的速度范围，是因为大多数的碰撞都在此范围内发生，尤其是低速行驶时的追尾事故。
This speed range was chosen because it is when most collisions take place, especially rear-end shunts in slow-moving traffic.
动量守恒定律告诉你,碰撞后速度是多少。
So the conservation of momentum tells you what the speed is after the collision.
我们知道，这几乎是弹性碰撞，它以同样速度回来。
And we all know that if it is a nearly elastic collision that it comes back with the same velocity.
速度越快，列车碰撞和出轨的后果就越严重，因此，在速度加快的同时，出台着重于预防措施的安全性能条例可谓迫在眉睫。
Since the severity of collisions and derailments increases with speed, safety performance targets for preventive measures are tiered to become more stringent as speed increases.
当处理碰撞问题，物体的速度，在碰撞前无撇号。
When we deal with collisions, the velocities of the objects before the collision are unprimed.
在非热逸过程中，由于化学反应或粒子与粒子之间的碰撞，原子因受到弹射而达到逃逸速度。
In nonthermal escape, chemical reactions or particle-particle collisions catapult atoms to escape velocity.
碰撞后的速度，依惯例，是有撇号的。
Now, the velocities after the collisions, by convention, are primed.
平均速度的上升与发生碰撞事故的可能性以及碰撞后果的严重性直接相关。
An increase in average speed is directly related both to the likelihood of a crash occurring and to the severity of the consequences of the crash.
你看这些质量是否相等,这里是弹性碰撞，它静止，它以v2’运动，它的速度是。
You will see if the masses are the same and there is an elastic collision, this one will stand still and this one, v2 prime, v1 will have a velocity v1.
在碰撞后，假设m2以u2返回，假如m1的速度为u1。
After the collision let's say m2 goes back with velocity u2 prime, and let's say m1 has a velocity u1 prime.
如果碰撞后，物体1和物体，获得不同速度，叫它们为v1和v2。
Now if after the collision 2 object one and object two have a different velocity, we will call it v1 prime and v2 prime.
通过测量因纳斯卡板块挤压海岸发生碰撞造成的地面的缓慢上升与下降，他们能够估算压力的实际聚集速度。
By measuring the slow rising and falling of the ground as the inexorable collision of the Nazca plate squeezed the coast, they could calculate how fast strain was actually building.
他们必须放慢速度到每小时19英里左右，万一发生碰撞事故，人员死亡率低于5%。
They must slow down to about 19mph, a speed that, in case of collision, kills less than 5%.
我先使这两个碰撞，它们两个相碰，当它们碰撞的时候，我期待速度是一半。
And first I'm going to slam these two onto each other, and so when they collide, I expect the speed to be half.
我先使这两个碰撞，它们两个相碰，当它们碰撞的时候，我期待速度是一半。
And first I'm going to slam these two onto each other, and so when they collide, I expect the speed to be half.
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