将这些抽象的概念表现为geronimo类及对象还是数据库表主要取决于您将如何使用它们，以及它们将持续多久。
Whether these abstractions will be represented as Geronimo classes and objects or as database tables depends primarily on how you're going to use them and how persistent they will be.
类似于代数数据类型理论，本文提出了对象、对象类型及抽象对象类型的代数模型。
In analogy to algebraic data type theory, this paper proposed the mathematical model of objects, object types and abstract object types.
此抽象及可视化主题可以在数据库模型、XML schemas和Web服务描述语言(Web Services Description Language, WSDL)文档上应用(参见图3)。
This abstraction and visualization theme continues with database models, XML schemas and Web Services Description Language (WSDL) documents (see Figure 3).
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