The paper has also summarized the general techniques of handling mine water resources, which is of guiding significance to mine water resources in China's mining area.

概述了矿井水资源化处理的一般工艺，对我国矿区水资源化利用具有指导意义。

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In essence, deferreds are a generalization of scheduled callbacks, but allow techniques such as chaining dependent callbacks and handling error conditions in these chains.

实际上， 延迟是对象被调度回调的泛化，但它们也允许使用诸如链接依赖回调和在这些链接中进行错误条件处理之类的技术。

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Nowadays, Python users have a healthy choice of DOM, SAX, and expat techniques for handling XML (XML developers who have used other programming languages will recognize all of these).

目前，Python用户能正常的选择DOM、SAX和expat技术来处理XML(使用其他编程语言的XML开发人员将会意识到这些)。

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