built on base造句

abstract : the architecture of gis for navigation of autonomous vehicle and the management method of spatial data are presented in the paper . by using the object-oriented technique ， class library is designed . which is the abstract of terrain model and spatial data management model . and the system is built on base of the class library
文摘:本文介绍了一种面向自主车辆导航的地理信息系统的系统结构及空间数据管理方法.利用面向对象技术，对地形模型和空间数据管理模型进行抽象.建立了框架式的类体系，并在此基础上实现了系统功能
It's difficult to find built on base in a sentence. 用built on base造句挺难的