就是初始速度，而第二项是。
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.
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.
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
这可能和很多过去你见过的init(初始化)函数类似，仅仅是速度更快一些。
Similar to many init functions you may have seen before... just a lot faster.
同时研究了电子的初始出发速度对电子运动轨迹的影响。
Meanwhile the effect of the initial electron velocity on the movement track is also studied.
然后把你更新初始运行速度已有所改善。
Then compare your updates with the initial runs to see how the speed has improved.
高温和低的初始应变会加快松弛的速度。
High temperature and low initial strain will speed up the pace of relaxation.
高温和低的初始应变会加快松弛的速度。
High temperature and low initial strain will speed up the pace of relaxation.
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