Study the three-dimension image reconstruction of ERT system and design the internet applications software package. The three-dimension image display mainly uses the tool of C + + Builder combined with OpenGL system. 3研究ERT系统三维图像重构及应用软件包的设计,三维图像显示主要是C++Builder结合OpenGL系统,采用Beizer曲线拟合的方法利用二维求值器进行图像显示。