Each channel element contains a number of item elements.

各个channel元素包含多个item元素。

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The RSS element contains a number of channel elements.

这个 RSS 元素包含多个 channel 元素。

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The root element of the document is RSS, which contains a single channel element.

文档的根元素是rss，它包括一个channel元素。

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However, the deal will allow Clear Channel to develop and grow its Internet radio business by adding an element of predictability.

FORBES: Look Before You Leap: Is Big Machine's New Deal with Clear Channel a Good Long Term Strategy?

Indeed, an important element of the monetary transmission mechanism works through the asset price channel.

FORBES: Bernanke and the Big Ease: We Happy Few

Bodies with some element of public ownership, such as Royal Mail, the Met Office and Channel Four, could see fewer and smaller payments as a result.

BBC: Bonuses in public sector under review