Decision Tree is a useful method of data mining.

决策树是数据挖掘中的常用方法。

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Conclusion: This is a useful method for removing nuclear.

结论：此种方法为有效的去核方法。

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Net present value is a useful method in investment decision.

净现值法是进行投资决策中常用的分析方法。

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He realized that this "teach-in" method would be a useful way for the public to express concern about the environment to federal and state officials.

VOA: special.2010.04.21

For those unable to find paid work, an unpaid internship might seem like a useful method of gaining valuable experience, recommendations and even future job placement.

FORBES: 6 Legal Requirements For Unpaid Internship Programs

Which is, I would submit, why gut feelings and rules of thumb from experts in their field are so useful as a method of business decision making.

FORBES: Why Rules of Thumb, Intuition, Gut Feelings, Work in Business Decisions

Ms Swinson said that selling privately could be a "useful and cost efficient method", but warned that - in order to avoid estate agents fees - consumers had less protection during the transaction.

BBC: Private home sales to be easier, says government