流行的PresentationModel （请参阅参考资料）提倡将应用程序的状态与业务逻辑分开放入模型层中，而模型层是从视图的 GUI控件中分离出来的。

The popular Presentation Model (see Resources) advocates separating out the state and business logic of an application into a model layer that is separate from the GUI controls in the view.

youdao

方法：运用文献资料法、逻辑分析法和数学模型法，对奥运会门票的定价策略进行研究。

Used the methods of documentary, logic analyses and mathematics models, the authors had carried out the research on price-setting strategies of the Olympic Games admission ticket.

youdao

方法：运用文献资料法、逻辑分析法和数学模型法，对奥运会门票的定价策略进行研究。

Used the methods of documentary, logic analyses and mathematics models, the authors had carried out the research on price-setting strategies of the Olympic Games admission ticket.

youdao