Text filtering is the process of taking an input stream of text and performing some conversion on the text before sending it to an output stream.

文本过滤指的是这样一个过程：获得文本的输入流，并在将文本发送给输出流之前对文本执行一些转换。

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The third block of code (lines 8-11) handles writing the document to an output stream as text.

第三个代码块（第 8-11 行）处理将文档作为文本写入输出流。

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Thanks to special contact lenses, computers in your clothes and locational sensors scattered everywhere you go, you see a constant stream of text and virtual sights overlaying the real world.

感谢特殊的隐形眼镜、藏于衣服内的电脑和分散于你到过的各处的位置传感器，你可以看到一个恒定不变的信息流和覆盖于真实世界之上的虚拟景象。

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Shy and evasive in person, he fills with a wry swagger when he is just a stream of text.

NEWYORKER: Roulette Russian

His phone was beeping nonstop for three days, with a stream of frenzied text messages and Instagram posts.

CNN: The secret life of my sixth grader

You can access this option by either clicking on 'pop-out' option on the control bar, or clicking on the 'Watch in pop-out player' text on the screen when the stream is stopped.

BBC: Your guide to the BBC Embedded Media Player