單項(xiàng)選擇題

Coral atolls，or a chain of islands at right angles to the radar beam，may show as a long line rather than as individual targets due to （）.

A.the effects of beam width
B.limitations on range resolution
C.the pulse length of the radar
D.the multiple-target resolution factor

你可能感興趣的試題

單項(xiàng)選擇題

Before a Master relieves a Pilot of the conn，the （）.

A.Master should foresee any danger to the vessel on the present course
B.vessel must be in extremis
C.Master should agree to sign a release of liability form
D.Master must first request the Pilot to take corrective action

單項(xiàng)選擇題

An embarked Pilot （）.

A.is a specialist hired for his local navigational knowledge
B.is solely responsible for the safe navigation of the vessel
C.relieves the Master of his duties
D.relieves the officer of the watch

Coral atolls，or a chain of islands at right angles to the radar beam，may show as a long line rather than as individual targets due to （）.

你可能感興趣的試題

Before a Master relieves a Pilot of the conn，the （）.

An embarked Pilot （）.

Coral atolls，or a chain of islands at right angles to the radar beam，may show as a long line rather than as individual targets due to （）.