逃逸速度就是一个物体的速度，比如说，从加农炮中射出的最小初始速度，这样这个物体以后就可以自己脱离地球的引力。
Escape velocity is simply the speed of an object that's shot out of a cannon the minimum initial speed so that the object could later escape Earth's gravity on its own.
就是初始速度，而第二项是。
请看我们的例子里的t1和,请注意初始速度为。
t2 In our case, t1 to t2 here 0 notice the velocity is zero as a start.
最后讨论航天员出舱运动轨迹与初始速度关系。
Finally, the motion track of the astronaut during extra-vehicleis discussed.
比方说，您可以设定当惯性开始时使用的初始速度。
For example, you can set the initial velocity that is used when inertia begins.
研究了梁以一定初始速度(冲量)撞击固定支座的动力响应问题。
The dynamic responses of the beam impacting on the fixed supports with an original velocity (impulse) were investigated.
二氧化碳扩散过程中，径向上有一个初始速度，而在横向上表现为自由扩散。
In the diffusion process, CO2 would be moving at its initial velocity in the radial direction and freely diffuse in its vertical directions.
在确定织机速度时，梭子穿过梭子口时的初始速度是很重要的参数。 收藏。
The speed at which the shuttle is projected through the shed is very important in determining the loom speed.
并讨论了粒子的尺寸、初始速度的大小和方向对粒子在叶栅内运动特性的影响。
The effect of particle size and initial velocity on the particle motion behavior is discussed.
计算后发现不同的激光参数、电子的初始速度和位置都能影响电子的运动轨迹。
We have found that different parameters of the laser and initial positions (and velocity) deeply affect the electron motion.
研究了流化数、射流初始速度、颗粒平均粒径及静态床层高度对射流脉动特性的影响。
The effects of fluidization number, injection velocity, particle mean diameter and static bed height on jet fluctuation are discussed.
建立有限元模型，对平板条叶片以不同角度和初始速度撞击矩形靶板的过程进行了数值模拟。
Numerical simulations of the course of the plate blade impacting target with the different angles and the initial velocity were performed based on the finite element model.
提出了一种利用磁悬浮技术提供初始速度、利用冲压发动机实现临近空间飞行的新型发射方法。
A new launch method is introduced, which the primary speed is provided by the magnetism-suspension technology, and can realize the near space flying by using of the ramjet engine.
在麦克斯韦尔最初的思考实验里，侏儒按照空气分子的初始速度把分子放在了两个互相连接的盒子里。
The homunculus in Maxwell's original thought experiment could sort the molecules of air found in two connected boxes according to their velocities.
本文对具有初始几何形状及维里系数相同，但初始速度弥散度分布不同的三轴椭球进行了数值模拟。
In this paper, the configuration of triaxial ellipticals with different initial dispersion velocities is studied by numerical simulation.
创建一个名为“物理测试”的空游戏对象并添加“物理测试”脚本，并设置它的方块引用和初始速度。
Create an empty game object named PhysicsTest and add script PhysicsTest to it and set both, cube reference and initial velocity of it.
给出了氧煤枪出口处煤粉颗粒初始位置和初始速度的分布，从而为高炉煤粉喷吹的数值模拟打下了基础。
The initial position and velocity of pulverized coal at oxygen-coal lance outlet has been proposed, thus injection of pulverized coal in the blast furnace can be simulated.
在折射静校正处理中应针对不同地貌特征建立初至拾取原则和初始速度模型，以确保折射静校正结果的准确可靠。
The results have been used to guide the pickup of first breaks and to construct initial velocity model for refrac…
首先采用有限元法，将撞击体离散成由三维实体单元构成的具有一定初始速度的离散质量系统，对靶板采用二维壳单元离散。
According to Finite Element Method, the impactor is considered as a discrete mass system in terms of 3D solid element with initial velocity, and 2D shell element is used for target plate.
该方法在飞行器发射初段采用磁悬浮技术助推，产生冲压发动机要求的初始速度，在冲压发动机最佳工作高度水平加速后将飞行器送至临近空间。
The near spacecraft is boosted by the magnetism-suspension technology in order to achieve the speed that the ramjet can work. Using the ramjet, the near spacecraft is sent the realm of near space.
美铁公司希望可以在2021年的时候运行新型列车，这种新型列车的初始速度可虽然只有每小时160英里，但是可以加速达到每小时186英里。
The new trains, which Amtrak expects to begin running in 2021, will have initial speeds of up to 160mph, but will be capable of speeds up to 186mph.
由于P波和S 波以不同但相当恒定的速度传播，它们到达的间隔与到震源或初始破裂点的距离成比例地增加。
Because P and S waves travel at different but fairly constant speeds, the interval between their arrivals increases in proportion to the distance from the earthquake focus, or initial rupture point.
初始访问后，就可以和常规静态网站一样的速度从缓存中提供这些页面了。
After initial access, these pages are served from those caches at the same speed as conventional static Web sites.
另外，在不知道初始自传速度的情况下，目前的自传速度并不是一个非常要的测算方法。
What's more, current rate of spin is not a terribly good measure without knowing the original spin rate too.
现在用，另一个初始参数，也就是速度等于。
Now I go to my next initial condition, -3 that the velocity is minus 3.
接下来，创建动态物体，它具有方位、初始线速度和角度。
Next, create your dynamic body, which has a position, initial linear velocity, and angle.
初始测量显示，在V6.2的单台计算机上安装的监视器模型，其队列跳过速度与以前需要在V6.1.2的两台计算机上的相当。
Initial measurements have shown that a monitor model installed to a single machine on V6.2 with queue bypass can run as fast as what previously required two machines on V6.1.2.
结合使用GWT元素不仅可以简化服务器端代码，而且创建的初始页面更小，下载和呈现的速度更快。
Mixing GWT elements will not only simplify the server-side code, it will create smaller initial pages, with faster downloads and rendering.
一些计算项目初始时速度的提示；
Some tips for calculating velocity at the beginning of a project; and
一些计算项目初始时速度的提示；
Some tips for calculating velocity at the beginning of a project; and
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