这里是x,这里是x0。
It was the apple, x0 and I call that position x zero.
原来是苹果的位置,记作。
Even if the stomach, also don't want to take medicine. "x0 h!"
就算胃疼的要死,也不会想要吃药。
And x0 I'm going to reduce to 0 by choice of my origin being here.
0 等于零,因为我把原点取在这里
So I realize that the constant, c, is the initial location of the object, and it's very common to denote that by x0.
所以我发现常数c,就是物体的初位移,我们习惯用x0表示
So what are these two other numbers, x0 and v0 and x-not and v-not?
那么这另外两个量是多少,x0 和 v0
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