只使用send和recv来实现imp的数个群集通讯函数，包括allgather，bcast，scatter，gather，alltoa-allgather，bcast，scatter，gather，alltoall mpi implement

AO实现投影批量转换，采用人性化模块管理的思想，操作简单易懂。方便用户来管理使用。-In order to adapt to modern enterprise management, enterprise investment of about three million building internal networks, to support the operation of ERP systems. Across the enterprise network Intracity two