同时人可以通过手持的PDA终端对整个系统进行管理和调控。

At the same time, people can control and manage the system by using PDA system.

youdao

同时人可以通过手持的PDA终端对整个系统进行管理和调控。

At the same time, people can control and manage the system by using PDA system.

youdao