一小时后引航员在驾驶台命令在指定位置抛锚。引航员和大副之间通信是对讲机。
After one hour the pilot on the bridge to order anchoring at destination Communication means between pilot and chief is portable VHF.
分析了楼宇可视对讲通信系统的主要功能、结构和系统总线。
The main functions, construction and system bus in the building visual talk back communication system were analyzed.
本文所研究的TDD数字对讲机，它为无绳电话、集群通信系统提供了另一种基于TDD方式的选择方案。
The digital handset studied in this thesis can provide another resolvent based on TDD for the Trunked communication system and cordless phone system.
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