The framework uses the MVC design pattern, the primary goal of which is to separate the data and presentation layers of a software application.
此框架使用的是 MVC设计模式，其最主要的目的是分离一个软件应用程序的数据层和表示层。
The dynamic feature of the model satisfies both the needs of the presentation of mechanical structure with many abstract levels and the design thinking pattern.
该模型所具有的动态性使其既满足多抽象层次表示机械结构的需要，又符合设计思维的要求。
The dynamic feature of the model satisfies both the needs of the presentation of mechanical structure with many abstract levels and the design thinking pattern.
该模型所具有的动态性使其既满足多抽象层次表示机械结构的需要，又符合设计思维的要求。
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