检索空间 meaning in English

search space

Retrieval spatial database by using the position of two point specified by user , complete the navigation automatically ; tracing and real - time display user current location depending on navigation map ; accomplish the query based on spatial relationship and property feature
解决的问题有：根据用户指定的任意两点位置检索空间数据库，完成自动游览；利用导航图跟踪和实时显示用户的当前位置；结合vrml与java技术完成基于空间关系特征的查询和基于属性特征的查询。