在这些表示系统(用于将信息转换成数字的系统)当中,有一些是很复杂的(比如图片文件的表示),而有一些却是十分简单的。
Some of these representation systems are very complex (such as compressed image files), while others are rather simple.
当浏览器处理数据时,它还可能会联系其它的服务器,这些服务器含有响应页面中所需要的数据,比如图片,视频,或者脚本文件。
As the browser processes the data, it contacts other servers that may host parts of the requested page, like images, videos, or script files.
如果改变了的内容不是(X) HTML格式(比如图片,Flash, PD F文件被改变了),你不能使用缓存删除工具。
If the changed content is not in (x) HTML (for example if an image, a Flash file or a PDF file has been changed), you won't be able to use the cache removal tool.
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