It brings them all together into the same virtual space and removes the impact or influence of first impressions. 它将人们全都招集在同一个虚拟空间，消除了第一印象的冲击或影响。
Based on the campus of HEU as a virtual space, The algorithms of polygon-based virtual walkthrough and application are discussed in this paper. 本文以哈尔滨工程大学校园环境为虚拟空间，研究了基于多边形的虚拟现实漫游相关算法及应用。
