实用的大地坐标转换中间件，可以进行大地坐标与经纬度、UTM与高斯坐标系的互相转换，支持多种分带方法和换带处理。-practical geodetic coordinates middleware conversion can be carried out with the longitude and latitude coordinates of the earth, UTM coordinates with the Gaussian mutual conversion, support for

利用C#语言编程，能将电子表格数据批量导入谷歌地球。-C# programming language, spreadsheet data can be bulk import Google Earth.

Connection between the earth and the model whit Absolute Orientation in photogrammetry-Connection between the earth and the model whit Absolute Orientation in photogrammetry

小推力卫星轨道转移仿真，基于电推进的系统。研究分析从地球转移轨道得到静止轨道所需燃料。-The earth s communication satellite of concept design Based on the ion propulsion technology