Title: Di li xin xi xi tong dao lun
Description: Ben shu shi yi ben di li xin xi xi tong de ji chu li lun zhu zuo, quan mian xi tong di chan shu di li xin xi xi tong de ji shu ti xi, zhong dian tu chu di li xin xi xi tong de ji shu ji qi ying yong fang fa.
Subjects: Di li xin xi xi tong, Jiao cai, Yan jiu sheng, Geographic information systems