The contents and properties of an interactive form are defined by an interactive form dictionary that is referenced from the AcroForm entry in the document catalog in the PDF file.
交互式表单的内容和属性都是由一个交互式表单字典定义的，这个字典引用自pdf文件的文档类别的AcroForm条目。
Using the online catalog as the data dictionary.
使用在线目录作为数据字典。
Just as the Oxford English Dictionary became the definitive word on words through the efforts of volunteers, the Open Directory follows in its footsteps to become the definitive catalog of the Web.
就像牛津英文字典通过志愿者的努力成为权威的工具一样，OpenDirectory跟随着它的脚步也成为了权威的互联网分类目录。
Just as the Oxford English Dictionary became the definitive word on words through the efforts of volunteers, the Open Directory follows in its footsteps to become the definitive catalog of the Web.
就像牛津英文字典通过志愿者的努力成为权威的工具一样，OpenDirectory跟随着它的脚步也成为了权威的互联网分类目录。
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