Just like any other tool, though, they can be misused or become an end in themselves.

就像所有其它的工具一样，它们会被不当使用或者根本不起作用。

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It's a free tool you can use as you as a front end to all other support resources.

这是一个免费工具，您可以将其用作所有其他支持资源的前端。

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You can use the selection tool to identify start and end points to reduce the timeframe of the data you want to analyze.

可以使用选择工具标识起点和终点，减小想要分析的数据的时间范围。

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