正如在第二章里所描述的，操作员通过这个命令，能把一个物理设备分配。
The operator can assign a physical device to a logical device name through this command, as described in the second chapter.
正如在第二章里所描述的，操作员通过这个命令，能把一个物理设备分配给一个逻辑设备名。
The operator can assign a physical device to a logical device name through this command, as describe in the second chapter.
零件机器或其它直接参与实现某种工业的、技术的或军用的功能的物理设备
Machines and other physical equipment directly involved in performing an industrial, technological, or military function.
