该DTD把数据序列化为通常在面向对象编程语言中才会见到的(嵌套的)数据结构集：词典、数组、字符串、数字、boolean值、日期和二进制数据。

This DTD serializes data into a (nested) set of data structures that are common in object-oriented programming languages: dictionaries, arrays, strings, Numbers, booleans, dates, and binary data.

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