您可以开发ocl(对象约束语言)来填补这个空白。
OCL (Object Constraint Language) was developed to fill this gap.
目前我们的正式规范方式和我们使用的语言，如对象约束语言(ocl)，提供了的关于规范和UML图的严格要求。
Much of our current exposure to formal specification comes with our use of languages, like the Object Constraint language (OCL), to provide rigor to our specifications and UML diagrams. 4.
该工具还提供了所有九种图表类型、图表导出、XMl元数据交换(XMI)集成，并且支持对象约束语言(ocl)。
This tool also provides all nine diagram types, diagram export, XML Metadata Interchange (XMI) integration, and Object Constraint Language (OCL) support.
此外，还可以使用以下这种面向对象的查询语言将XML文件作为EMF对象进行查询：对象约束语言(ocl)。
In addition, it is possible to query the XML files as EMF objects using an object-oriented query language: object Constraint language (OCL).
增加模型精确度的一种已证实的方法是使用约束条件和对象约束语言(Object Constraint Language,OCL)。
A proven approach to add precision to a model is through the use of constraints and the Object constraint Language (OCL).
对象约束语言(ocl)被定义为uml标准的子标准，不仅可用于模型约束、查询，还可以用于定义模型转换规则和定义建模语言。
Object constraint language (OCL) is the sub-standard of UML, which can be used not only in constraint and query on models, but also in defining transformation rules and modeling language.
能够使用以下面向对象的查询语言对数据进行查询：对象约束语言(Object Constraint Language,OCL)。
Ability to query the data using an object-oriented query language: object Constraint language (OCL).
本文提出了包含组织纵向和横向结构的组织元模型，并采用UML对象约束语言(ocl)描述了元模型中实体与实体之间的联系和约束关系。
In this paper, an organization meta-model including both hierarchy and teamwork structure is presented and then UML object constraint language (OCL) is adopted to formalize the meta-model.
对象约束语言ocl可以对模型中的元素进行约束和查询，可以在MOF的任意一层上定义模型语言，还可以通过各种方法定义模型的转换规则。
OCL is permitted to constrain and inquiry the elements in the model, define the model language on any layer of MOF and transform rules of model by different ways.
事实上，您必须通过uml晦涩的对象约束语言(Object Constraint Language,OCL)，并使用OCL代码生成器，才能实现相同的功能。
In fact, you must dust off UML's obscure Object Constraint Language (OCL) and an OCL code generator to achieve the same functionality.
如果我们需要为模型对象描述其他的约束，那么通常可以以一种自然语言来描述它们。
If we need to describe additional constraints for the model objects, these are often described in a natural language.
如果我们需要为模型对象描述其他的约束，那么通常可以以一种自然语言来描述它们。
If we need to describe additional constraints for the model objects, these are often described in a natural language.
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