设计了基于本体的产品知识结构-行为-功能表达模型。
Product knowledge and S-B-F representation model based on ontology were designed.
测试功能通过向 UML 添加 测试结构 与 测试行为 之类的概念，来调整测试的开发环境。
The testing profile tailors the development environment for testing by adding concepts such as test architectures and test behaviors into UML.
但是映射缺乏一些结构化数据的预期功能：它们没有真实的“类型”(在不添加元数据的情况下)，不像类那样，它们不能通过新的行为扩展。
But maps lack some of the features expected of structured data: they have no real "type" (without added metadata) and, unlike classes, they can't be extended with new behavior.
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