软件工程国标文档！在写相应的文档的时候，这是个不错的参考资料！说明对系统施加不同的外界运行控制时所引起的各种不同的运行模块组合，说明每种运行所历经的内部模块和支持软件-Software engineering documents GB! The corresponding documents in writing, this is a good reference! Impose different descr iption of the system of operational control of the outside world caused by the operation of the various modules that run through each of the internal modules and support software