And I could take that information, type it up into a program, make some assumptions about speed and direction and what routes they're going to take and actually watch the ambulance go to St. John's Mercy.
我得到这条信息之后,将它输入程序里,假设它们的速度和方向,以及它们应走哪条线路,就能看到救护车进入圣约翰医院。
You shoot something, you should know when it will land, where it will land, with what speed it will land, how high it will go.
抛出一个物体,我们要知道落地时间,落地位置,还有落地的速度,最高点的高度
c We know it's very specific for light because in this equation is c, the speed of light. So any time you go to use this equation, if you're trying to use it for an electron, just ask yourself first, does an electron travel at the speed of light?
我们知道它只对光适用是因为在这个方程里有,光速,所以下次你们用这个方程前,如果你们要把它用到一个电子上,先问问你自己,电子的运动速度是光速吗?
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