distress and safety communications

...-to-ship communication) –遇险和安全通信(Distress and safety communications) –数据报告允许按预先安排的间隔或根据要 …

... distress alerting 遇险警报 distress and safety communications 遇险与安全通信 distress call format 遇险呼叫格式 ...

...因素造成的环境损害；继而，依据事故发生的资讯制定了遇险与安全通讯(Distress and Safety Communications)、搜索与救助…