zhong guo guo tu liao kuo ren kou zhong duo ren men ri chang sheng chan sheng huo dui zi yuan huan jing de ying xiang ri yi yan zhong yin ci chuang jian ying yong yu guo tu zi yuan ji huan jing jian ce guan li fu wu deng ling yu ju you C S B S shuang mo shi jie gou de 3S ji cheng fu wu xin xi xi tong yan zhi chu yi tao neng wei guo tu zi yuan li yong ji huan jing jian ce guan li ti gong shi shi zhun que shi yong de di li xin xi fu wu xi tong shi wei bi yao zhe jiang wei jue ce de ke xue xing ti gong yi ju wei zhen zheng shi xian ban gong zi dong hua da xia ji chu ye wei qu yu guo tu zi yuan ji huan jing guan li xian dai hua mai chu jian shi de bu fa sui zhao gao xin ji shu de bu duan yong xian duo ji shu de GIS xi tong ji cheng kai fa shi zhong shi GIS xi tong fa zhan de zhong yao fa zhan fang xiang ben shu ji shi zai ji yu zu jian ji duo xiang ji shu zhi cheng xia bing zai wan cheng xiang guan GIS xi tong yan fa xiang mu de ji chu shang wan cheng de zuo zhe li jing ruo gan xiang mu de ke ji gong guan zhong jiang suo yan fa xiang mu de zhu yao cheng guo ji xiang guan ren shi bian zhi cheng ce yi shi du zhe ben shu shi he yu kong jian xin xi ji shu yu gong cheng 3S deng te bie shi WEBGIS shu ju ku IT deng xi tong yan fa lei xiang guan zhuan ye shuo bo shi yan jiu sheng gao nian ji ben ke sheng zhuan ye xue xi ji yan fa can kao tong shi ye ke zuo wei kong jian xin xi gong cheng deng xiang guan ling yu zhuan ye ren shi de 3S xi tong yan fa zhi nan