Its contents cover these aspects as the mathematical basis of the map, the map content elements as means of indication and map decoration.

地图的数字基础、地图内容各要素的表示方法和地图整饰。

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In the case of a complex schema type, as in Figure 8, this content can be additional XML elements that map to schema-defined elements.

如果是复杂模式类型，如图8所示，这些内容可以是其他映射到模式定义元素的xml元素。

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However, instead of packaging specializations of elements for topic content, you specialize elements for map content — typically the topicref.

但是这不是为主题内容打包元素的专门化，而是专门化映射内容的元素，通常是topicref元素。

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