Most UML model APIs provide only the most basic model access functionality (get, create, and update model elements and properties).

大多数UML模型API仅仅提供了最基础的模型访问功能(获取、创造及更新模型单元或属性)。

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Introduced the outer role, inner role and basic role, the model can not only realize Discretionary Access Control but also the Mandatory Access Control. In addition, it can facilitate the management.

引入了外部角色、内部角色和基本角色，使得该模型可以同时实现自主访问控制和强制访问控制，而且也方便了管理。

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The basic structure of wireless mobile digital campus network is given in this paper, and the layer model, including the core layer, distribution layer and access layer, is designed.

给出了无线移动数字校园网的基本组成，从网络分层模型出发，对无线移动数字校园网络的接入层、汇聚层、核心层进行分层设计。

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Though the current applications, the MicroConsignment Model has provided more and more micro-entrepreneurs with income opportunities and additional villagers are gaining access to basic products that they would likely not otherwise have reasonable access to.

FORBES: Social Entrepreneurship: The MicroConsignment Model