Visual C++编写的在桌面上飘雪花的特效，可以真实模拟风向变换效果和积雪在桌面图标上的效果,Visual C++ Prepared snow on the desktop to spend the special effects, can transform the real simulation of the effect of wind and snow on the desktop icon on the effects of

this file to calculate the cp/lambda for different types of pitch angles. the selected wind speed range where the rated wind speed is 9 m/s and beta angle is zero the maximum value of beta is 45 but in the simulation it maximum value will not be m