但是网络层提供跳跃点到跳跃点的协议，所有端系统和中间系统都需要使用。
The network layer, however, provides a hop-by-hop protocol and is used on the two end systems and every intermediate system.
中间业务定制系统由中间业务定制系统客户端和中间业务定制系统服务端组成。
The Intermediate Business Customizing System is composed of its own client programs and server program.
该系统分为三个子系统：本地机器人控制子系统、中间层通信子系统和远程客户端控制子系统，采用监督模式控制。
Supervision mode is adopted in the system that consists of three subsystems: the local control subsystem of the robot, communication subsystem in the middle layer and remote client control subsystem.
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