This allows you to cache big libraries (like the Flex library) in the client and then reuse them between different Flash applications.
这可以让你在客户端缓存大尺寸的库(比如flex库),并在不同的Flash应用中重用这些库。
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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.