channels

说明：  中国地图,省界,分享出来给大家用，可以用上的就下吧。好资源大家分享共用(Maps of China, provincial borders, and share them for everyone to use. Good resources for everyone to share)

cass图层管理一个快速打开关闭图层的小插件很实用(cass layer management a quick opening and closing very practical small plug layer)

comparaison of photovoltaic mppt algorithms

ARCGis二次开发资料。在ARCGIS平台下，利用vbaa进行对arcgis软件的功能开发教程，已通过测试。 (ARCGis secondary development information. ARCGIS platform to use vbaa tutorial arcgis software feature development and has been tested.)

日本ricoh相机demo，包含include文件件和lib文件夹。( Japan ricoh camera demo, containing pieces include files and lib folders.)

一个基于Arcgis engine开发的dll类库代码案例，可以加载到ArcMap中使用，实现简单的功能，可以供学习使用(A DLL class library code case based on Arcgis engine can be loaded into ArcMap and used to realize simple functions, which can be used for learning.)

cass图层管理一个快速打开关闭图层的小插件很实用(cass layer management a quick opening and closing very practical small plug layer)

说明：  利用C#完成简单的GIS框架搭建，只有一个框架(Simple GIS framework construction)

说明：  object oriented modelling

IRIModel2007,电离层计算模型(IRIModel2007，A model for calculating the ionosphere)