该应用程序是对第一类加法法则二维数空间空间方程通解形式研究的研究成果，里面有多种选择，可生成基量平面root、leaf和合成平面forest，对组合数学研究有重要意义。-The application is the first class research Addition Rule number two dimensional space in the form of the general solution of the equation of space research, there a