A.east two degrees
B.two degrees east
C.two east degrees
D.two-degrees east
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A.reflect
B.shown
C.detected
D.defected
A.A vessel on the starboard bow whose bearing is changing and range is decreasing
B.A vessel on the starboard bow whose bearing is steady and range is increasing
C.A vessel on the port bow whose bearing is steady and range is decreasing
D.A vessel on the port bow whose bearing is changing to the left and range decreasing
最新試題
An ECDIS is required to display which information?（）
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?（）.
An ECDIS is required to display which information?（）
（）the canal transit，the radar was operating.
A barometer showing falling pressure indicates the approach of a（）.
A radar display in which North is always at the top of the screen is a(n)（）.
Compass error is equal to the（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
A FICTIVE LINE DISPLAYED ON THE RADAR SCREEN SEPARATING THE FAIRWAY FOR INBOUND AND OUTBOUND VESSELS SO THAT THEY CAN SAFELY PASS EACH OTHER defines（）.
A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.