In this way, they effectively solved the "traveling salesman problem," which involves finding the shortest route that allows a traveling salesman to call at all the locations he has to visit.
这样，它们有效地解决了“旅行推销员问题”，即如果一个旅行推销员需访问多个地点，如何找到访问这些地点的最短路线。
To sum up, the problem of children's education must be solved timely and effectively because it is they who are the future of our country. (209)
总之，孩子的教育问题必须被及时有效地解决，因为正是他们负担着我们国家的未来。
These threats will seriously affect the application and popularization of electronic commerce if they can't be solved effectively.
这些威胁如果不能得到有效解决，将严重影响电子商务的应用与普及。
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