This tagging may be as simple as document title or as sophisticated as the Library of Congress metacategory method (see Resources).

此标记可以像文档标题一样简单，也可以像美国国会图书馆的元分类 (metacategory)方法（请参见 参考资料）一样复杂。

youdao

This tagging may be as simple as document title or as sophisticated as the Library of Congress metacategory method (see Resources).

此标记可以像文档标题一样简单，也可以像美国国会图书馆的元分类 (metacategory)方法（请参见 参考资料）一样复杂。

youdao