更多"A radio determination system based "的相关试题:
[单项选择]The existing terrestrial radio system has a number of basic flaws which（）.
A. can be overcome by using traditional techniques
B. cannot be overcome by satellite system
C. can be overcome by satellite and digital techniques
D. cannot be tackled by any modern system
[单项选择]General radio communications in the global system are those between（）concerning the management and operation of the ships and may have impact on their safety.
A. SAR party and the ship in distress
B. SAR authorities and the ship in distress and survival craft
C. A ship station and any coast station
D. Ship stations and shore-based communication network
[单项选择]The maritime radio system consisting of a series of coast stations transmitting coastal warnings is called（）.
A. NAVTEX
B. HYDROLANT/HYDROPAC
C. NAVAREA
D. SAFESEA
[单项选择]Radar makes the most accurate determination of the（）.
A. direction of a target
B. distance to a target
C. size of a target
D. shape of a target
[单项选择]They remained full of hope and determination（）their repeated failures.
A. instead of
B. in search of
C. because of
D. in spite of
[单项选择]（）is a term denoting the determination of a ship’s position by observations of Celestial or terrestrial objects，or by a combination of both．
A. Course-planning
B. Position-fixing
C. Radar-plotting
D. Stowage-plan making
[单项选择]Radiotelephony communication or radio telex communication or both will be carried out by terrestrial or satellite means,（）the equipment fitted on ship and the area in which the incident occurs.
A. depend on
B. depending on
C. dependent on
D. depended on
[单项选择]A mooring system that results in a spread system without anchor buoys is called a（）.
A. permanent chasing system
B. wire rope mooring system
C. shepherd's crook mooring system
D. spring buoy mooring system
[单项选择]Which statement about radio navigational warnings is TRUE（）.
A. The topics for warnings included in HYDROLANTS，HYDROPACS，and NAVAREA warnings are the same
B. NAVAREA warnings concern only coastal navigation and inland navigation in large bays or sounds such as Puget Sound
C. The United States is responsible for NAVAREA warnings in the North Atlantic north of 7°N，and west of 15°W
D. Long range radio navigational warnings are usually broadcast by radiotelephone，radiotelegraph，and radio-teletypewriter
[单项选择]（）communication are intership VHF radio telephone communication.
A. ship-to-shore
B. shore-to-ship
C. bridge-to-bridge
[单项选择]Please be advised that my radio transmitter broke downn and needs（）.
A. repair
B. repairing
C. to repair
D. be repaired
[单项选择]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
[名词解释]Jumps Based on Unsigned Comparisons
[单项选择]VHF radio is one of the very important navigational instruments on board,（）messages can be sent.
A. by which
B. through which
C. by that
D. through that
[单项选择]A vessel in distress should send by radio telephone the two tone alarm signal followed immediately by the（）.
A. distress position
B. spoken words "Mayday，Mayday，Mayday"
C. ship's name
D. ship's call letters
[单项选择]The vessel’s Emergency Position Indicating Radio beacon (EPIRB) must be tested（）.
A. weekly
B. monthly
C. every 2 months
D. every 3 months
