说明：  （cfd计算）结构化网格处理工具，为了满足并行需要可将plot3d或者grd网格文件切割为均匀的分块结构以满足cfd程序的负载平衡。
((CFD) structured mesh processing tool, in order to meet the parallel computing,plot3d or GRD grid file will be cut into uniform blocks to satisfy the load balancing of CFD programs.)