将Surfer7．0与Mapinfo两个软件配合绘制降雨量等值线，解决了计算绘图在高、低值区丢失等值线和已知点外部曲线走向不合理问题，绘出的等值线与人工勾绘等值线比较无明显差异，能够满足防汛要求。

Surfer软件是非常重要的绘图软件，用途非常广泛，压缩包内是改软件的讲义-Surfer is a very important software mapping software, use a very wide range of compression is changed within the software package of handouts

绘图软件Surfer7.0是三维绘图软件，含注册码。-Surfer7.0 is three-dimensional drawing software drawing software, including registration number.