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Having done that, it goes back up and picks the second sub-list, which came from there. It's a down to base case, merges it.
就是从那里得来的,完成这些后,回到上一步。
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OK. Having done that, then, there are three things that we're going to look at.
好了，做完了上一步，我们还有三件事情要研究。
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Perhaps no chess game before had had this move.
这也许是象棋史上前所未有的一步棋
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And in terms of using these equations in solving problems on the exam, and also using these constants, make sure if you think there might be any chance you're going to get any little part of a problem wrong or do a calculation inaccurately, you need to write out every single step of your thinking as you write out these problems.
而当你在考试过程中用这些公式,来解题时，加上运用这些常数，如果你觉得有可能,在某一小问上出错,或者出现计算错误，请务必把你的思路一步一步地都写出来,当你在答题的时候。
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How do I go back if it isn't?
如果不是的话我该怎么退回上一步呢？
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Because it's now solving a one-smaller problem.
在上一步是奇数的基础上。
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