利用GDI+类把文本画到窗口上，有投影，渐变。看懂了这个，你就可以自由运用GDI+了。-Use GDI+ classes to draw the text to the window, there is projection, gradient. Read this, you are free to use GDI+ has.

大地测量学中的编程题，可以进行高斯投影坐标的正算和反算。-Geodesy programming questions, Gauss projection coordinates positive operators and backcalculation.

包括了大地主题正反算，高斯投影正反算和斜距投影，都有界面-Including earth theme and negative balance, the Gauss projection positive and negative count and slant range projection has an interface

labwindows环境下，编程实现一个高斯噪声的三维表现图。投影方式可以选择XY、YZ、XZ或无投影，绘图方式有线图、画图、点线图及点面图供选择。-Under labwindows environment, programming a three-dimensional Gaussian noise figure performance. Projection can select XY, YZ, XZ or no projection, drawing mode wired diagram,