At present, most information systems are still human machine systems.
目前多数信息系统仍为人—机系统。
Problems and development tendencies of the man-machine systems study are analysed.
分折了当前人机系统研究所面临的问题及发展趋势。
This paper researches into binary join optimizing strategies of backend database machine systems.
本文研究了后端数据库机系统的二元联接优化策略。
应用推荐