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.

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。

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It has efficient high-level data structures and a simple but effective approach to object-oriented programming.

它包括了高效的高级数据结构，提供了一个简单但很有效的方式进行面向对象编程。

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