求翻译：Flash动画文件的扩展名为swf，所以flash动画文件也被称为swf文件。swf文件采用了一种与XML文件相似的文件结构，它使用一系列的二进制标签来定义文件中的各种对象及其属性。使用标签定义文件可以在解析的时候跳过不能识别的标签从而保持文件良好的兼容性，同时也有利于文件的扩展。是什么意思？

called flash animation file extension swf, flash animation files, also known as the swf file. swf file using the file structure of a xml file, it uses a series of binary label to define the file in a variety of objects and their properties. The use of the label definition file can be resolved when t

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Flash animation document expansion named swf, therefore the flash animation document is also called the swf document.The swf document has used one kind with the XML document similar file organization, it uses a series of binary label to define in the document each kind of object and the attribute.Th

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