你可能感興趣的試題

Under the International Code of Signals how are geographical locations such as New York City transmitted?（）

A.A commonly used abbreviation such as NYC is used
B.The name is spelled out
C.The geographical coordinates are used
D.The radio station call sign for the nearest marine radio station is used

單項(xiàng)選擇題

The principal advantage of NAVTEX radio warnings is that（）.

A.they can be used by mariners who do not know Morse code
B.only an ordinary FM radio is necessary to receive these warnings
C.information on a given topic is only broadcast at specified times
D.they cover a broad spectrum of the radio band allowing reception on almost any type of receiver

VHF Radio is one of the very important navigational instruments on board，（）messages can be sent.

你可能感興趣的試題

Under the International Code of Signals how are geographical locations such as New York City transmitted?（）

The principal advantage of NAVTEX radio warnings is that（）.

VHF Radio is one of the very important navigational instruments on board，（）messages can be sent.