It manages drawing process, event dispatching and component layout totally by itself.
它完全由自己管理画图处理，事件分发和组件布局。
2
Application indicated that design faults can be found faster and product processlayout cycle can be reduced evidently by proposed approaches.
应用实例的应用结果表明，所提方法可快速发现设计缺陷并显著地缩短产品工艺规划周期。
3
By evaluating the result blended video, the designer can estimate and optimize the layout of virtual scene intuitively, and eliminate the inaccuracy during the planning process through this system.