c 语言实现对开发板lcd清除从（0,0）像素点指定宽高的矩形屏！可直接编译通过-C language to achieve development board LCD clear from (0, 0) pixels specified height and width of the rectangular plate! Can be directly compiled through

Ensure accurate communication is learning a good helper, K-means clustering algorithm based on the PSO, Including the area, perimeter, rectangular, elongation.