presentation controller

The view/ presentation objects take in a reference to the controller object name you created in the previous step(" html_control").

view/presentation对象引用在上一步（“html control”）中创建的控制器对象名称。

The navigation bar and the tab bar, and all their associated presentation behavior, are managed and implemented by view controller objects.

导览列和分页列，以及所有相关的呈现行为，都被视图控制物件管理和实现。

Based on the Presentation of the system configuration of μ XL and from the angle of educational experiment the applications of μ XL control system in process modelling, controller parameter tuning and composing dedicated control systems are described accordingly.

在简单介绍了μXL系统基本组成的基础上，从教学实验的角度，分别叙述了μXL控制设备在过程建模、控制器参数整定和组织专门控制系统等方面的应用。