And we have been fighiting at where we had no need to fight, at least initially, in Iraq.
同时我们还在,不该去的地方发起了进攻,至少,最早在伊拉克时是这种情形。
- So this is where recursion gets a little trippy-- certainly initially, and that you have to kind of keep diving deeper, deeper, deeper into the problem.
在这儿就会觉得递归有点迷糊了-,起初,你必须一层一层地,深入到问题中。
Then, in every situation where the body has an acceleration a, the location has to have this form, where this number is where it was initially, this was the initial velocity of the object.
在任何研究对象具有加速度a的情况下,它的位移就一定具有这种形式,这个系数代表了它的初位移,这个代表了它的初速度
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