上一期（请参阅 参考资料）留下了一个问题：如果 UML 模型和 XML 词汇表之间存在多种可能的关系怎么办？

The previous installments (see Resources) left one question open: What if you have more than one possible relationship between the UML model and the XML vocabulary?

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词汇表创建者使用诸如iso 2788(请参见参考资料)等标准来建立用于特定分类层次结构的术语集。

Standards, such as ISO2788 (see Resources), are used by vocabulary creators to establish the set of terms for a particular categorization hierarchy.

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编写或编辑附录，如附加资源，词汇表，参考资料，职业帮助，等等，满足学习目标。

Write or compile collateral, such as additional resources, glossaries, references, job AIDS, and so on, to meet the learning objectives.

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