geo codes 中文意思是什麼

geo codes 解釋

In the scheme, ugis classification and coding are divided into three steps : administrative districts are firstly classified and coded, and then street and road with the corresponding code of administrative district added, at last add the code of both the corresponding administrative district and street or road into the code of other corresponding geo - information. this method can reflect topologic relationship between objects, make a fast query and shorten the length of codes

這種綁定式的城市地理信息拓撲編碼的好處是：在編碼中既體現了城市地理信息之間在空間上的拓撲關系，又提高了整個系統查詢和檢索的速度；按行政區劃和城市街道進行城市地理信息的分類與編碼，代碼結構清晰易懂，而且可以大大縮短編碼的長度。