分不同矩形空心方块，彩色不同区域，可供参考学习分区域。-Sub-rectangular hollow box, and color in different regions, reference learning subregional.

实现NOKIA5110显示屏上的点、直线、空心矩形、填充矩形、空心圆、填充圆以及ASCII字符的绘制；可以拓展完成实验数据的曲线绘制。-The NOKIA5110 point display, straight, hollow rectangle, filled rectangle, hollow circle, filled circle, and ASCII character drawing curve drawing can expand completion of the exper

使用GDI实现平面坐标的绘制，并且能计算鼠标点选的行列，左键在对应的矩形框画实心圆或取消，右键在对应的矩形画空心圆或取消-Use GDI drawing plane coordinate implementation, and can calculate the ranks of the mouse click, left in the corresponding rectangle painted solid round or cancel, right in the correspondin

在ofdm系统中空时格状码编译码方式,与ofdm结合性能的比较-Hollow in the ofdm system when the lattice code decoding method, combined with ofdm performance comparison