Native queries provide a powerful way to execute complex queries without having to learn a new query language or resort to complicated object structures to model a predicate.
原生查询为执行复杂查询提供了一种功能强大的方法，而且不需要学习新的查询语言或使用复杂对象结构对谓词建模。
UML is a standard object-oriented modeling language. It can be applied not only in the development process of software but also in the simulation for complex system.
统一建模语言是一种基于面向对象技术的标准建模语言，其不仅可以在软件开发过程中使用，也可在复杂系统仿真中应用。
The Unified modeling Language (UML) has become a de-facto industrial standard for object-oriented modeling of large, complex systems.
统一建模语言(uml)已经成为面向对象建模事实上的工业标准，用于大型复杂系统。
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