介绍OGC组织的各种标准，包括SFS,WMS.WMTS,WMS，以及空间SQL模型等。是学GIS需要掌握的内容。-ntroduction OGC organizations of various standards, including SFS, WMS.WMTS, WMS, and SQL model. GIS is the need to master the content.

Android手机端离线地图下载，访问WMTS服务（天地图）将一定范围内的瓦片数据下载到手机设备上。-Android mobile client to download offline map access WMTS service (world map) tile data will be downloaded onto a range of mobile devices.

arcgis for javascr ipt 调用WMTS实例(Arcgis for javascr ipt calls the WMTS instance.)