用于地理数据处理的趋势面分析，克用于空间插值。-for geographic data processing trend surface analysis, interpolation grams for space.

非常不错的科学类绘图软件，是地质工作者必备的专业成图软件。8.0是目前最新的版本，可以轻松制作基面图、数据点位图、分类数据图、等值线图、线框图、地形地貌图、趋势图、矢量图以及三维表面图等；-Science is very good mapping software is necessary for professional geologists mapping software. 8.0 is the latest version, you can make it easy to create

趋势面分析是拟合数学曲面的一种统计方法,通常要找到一个合适的曲面(Trend surface analysis is a statistical method of mathematical curved surface fitting, usually want to find a suitable surface)