一个半双工的连接同一时刻仅能在一个方向传输数据。
A halfduplex connection can only send data in one direction at a time.
整个系统是全双工的。
只需一个脚踏开关即可自动完成双工位的冲孔及冲虚线条操作。
Just a foot switch can automatically duplex bit of punching and Chongxu line operation.
而整体系统则是数显传呼与双工对讲机较完善的有机组合体。
The whole system is the combination of the two function-alphan…
而整体系统则是数显传呼与双工对讲机较完善的有机组合体。
The whole system is the combination of the two function-alphan…
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