Distributed-tier structure is included to Client application program application program sever and Databasesever.
分布式多层系统由客户端应用程序，应用程序服务器和数据库服务器层次构成。
2
The black databasesever is a computer system without HMI (human and machine interface) and it runs in the field. State data are stored and managed in the black database server automatically.
盲数据库服务器是一种工作在现场的没有人机交互界面的计算机系统，实现状态数据在现场存储和管理。
3
The essential function of DB2 V8.2's client reroute capability is to move a database connection from one sever to another.