In other words, they deliver a page with a regular "200 OK" header that merely says "not available" somewhere in the text, perhaps (but not always) mentioning "404 Error" somewhere in there.

换句话说，它们会发送一个带常规的“200 OK”标题的页面，这仅仅说明了文本的某个地方“不可用”，也许还提到(但不经常)此处有“404 Error”。

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So even when Web designers use large amounts of regular, non-image text, they often still put the title of a Web page in an image.

因此，尽管Web设计人员大量使用规范的、非图像的文本，他们仍然用图像表示web页面的标题。

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First, a regular line shines on the page to capture text and images.

其一，是一部普通相机从书页上获取文字及图案信息；

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