欢迎来到牛牛题库网 牛牛题库官网
logo
搜索
全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(驾驶专业) > 航海英语 > 海上通信 > GMDSS

单项选择题

The COSPAS-SARSAT 406mhz system was adopted as an element of the GMDSS by IMO in（）.

A.1982
B.1980
C.1984
D.1988

点击查看答案&解析
上一题 目录 下一题

相关考题

单项选择题
which function is the most important one of the GMDSS.（）

A.alerting
B.on-scene communication
C.safety information
D.general communication
单项选择题
The quality of EGC message is（）affected by the position of the ship, the time of reception and climatic condition.

A.sometimes
B.all times
C.never
D.partly
单项选择题
The information flow of the MSI broadcast must be controlled（）.

A.to avoid mutual interference
B.to keep silence
C.owing to the time-share nature
D.to regulate transmitter power
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题