Element types with mixed content are allowed to hold either character data alone or character data interspersed with child elements.
包含混合内容的元素类型可以单独存放字符数据，也可以将字符数据与子元素混合存放。
Element types with mixed content are allowed to hold either character data alone or character data interspersed with child elements.
包含混合内容的元素类型可以单独存放字符数据，也可以将字符数据与子元素混合存放。
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