Normally, this type of extension is required to perform additional tasks for the base command.

通常，要求这种类型的扩展执行基本命令的其他任务。

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However, XSLT can be used to perform additional tasks within an application that USES XML as its main data representation model.

然而，在将XML作为主要数据表示模型的应用程序中，XSLT可用于执行更多任务。

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By invoking jQuery's ready event handler, it instructs jQuery to wait until the DOM for the page has loaded and then perform additional tasks.

它通过调用jQuery的ready事件处理函数，指示jQuery等待页面的DOM装载完成，然后执行其他任务。

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While the Air Force has stated that the vehicle is meant only for conducting orbital science experiments, analysts say the X-37B is capable of much more, and could perform additional tasks such as acting as an orbital spy, sneaking up on and tampering with enemy satellites or hauling small batches of supplies to the International Space Station.

ENGADGET: Air Force X-37B space plane books additional time on orbital cruise, orders another margarita