KML文件中包含的所有位置，包括所需的地理信息编码数据。
The KML file contains all the location data, including the needed geo-coding information.
但在GIS领域充斥着各种标准的地理信息编码方式，各种数据类型不统一，这为地理信息的存储与传递带来了不便。
But in the GIS field there are many geographic information encoding ways, resulting in the lack of unity for data types, which has brought inconvenience for the storage and transmission of data.
因此，建立完善的房产地理信息编码体系，对房产地理信息系统的建设、房产地理信息管理与应用目标的实现至关重要。
Thereby, perfect coding scheme for classifying House Property thematic geographic information is very crucial to achieving system and data management and data application goals.
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