Then in the 3rd chapter,the thesis presents a new awareness model AM-NEVEN,and defines the key components,such as Awareness Objects,Awareness Levels,Interactive Tasks,and Area of Interest.

• 第三章提出了一个网络虚拟环境感知模型AM-NEVEN，并定义了感知对象、感知等级、交互任务、位置和感兴趣区域等关键组成部分。