임의 구분전파전자통신기능사 · 2012년10월06일 · 22/60
22.What do you call a service of radiocommunication between mobile and land station or between mobile stations?
1
We call it a maritime service.
2
We call it a maritime mobile service.
3
We call it a mobile service.정답
4
We call it an aeronautical maritime mobile service.