这个问题已经解决了 This issue has been resolved ; This problem has been solved
那个问题已经被解决了 That problem has been solved
所以我认为可以肯定地说,这个问题已经解决了。
So I think it's safe to say that that issue has been settled.
多亏了鹊桥号中继卫星,地球与嫦娥四号之间的通信问题已经解决了。
Thanks to Queqiao, the communication problem between Earth and Chang'e-4 has been well solved.
问题已经解决了,没什么说头儿了。
And the first thing you do is ask is it an instance of some problem that other people have already solved?
而且你以前从没碰过这个问题,你首先要做的一件事就是问问自己,这是不是一个别人已经解决了的问题?
So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.
所以我并没有施魔法,我已经告诉了你,一种快速解决背包问题的方法了,但是某些方面它的核心仍然是指数增长的。
We need to think about solutions to this, right from the start of the class, and we already talked about something.
从一上课开始,我们就应该开始,思考这些问题解决方案,现在我们已经谈论了一些了
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