This file is more complex than the other files we've seen, because it uses an XML standard called XMI, which represents information about an object design or object model in XML.
这个文件比我们看过的其它文件更复杂，因为它使用被称为 XMI的 XML 标准，这个标准用 XML 表示对象设计和对象模型的信息。
The framework queries two sources of metadata: the Active Record model and a custom metadata file for each model object.
框架查询两个元数据源：活动记录模型和每个模型对象的定制元数据文件。
The CAP 1.1 XSD file is supplied as the execution object model (XOM) and the business object model (BOM) is generated from it.
CAP 1.1 XSD 文件被作为执行对象模型（XOM）提供，而业务对象模型（BOM）是从其中生成的。
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