A.wingdam
B.towhead
C.cutoff
D.landwall
您可能感興趣的試卷
你可能感興趣的試題
A.true north
B.magnetic north
C.the vessel's beam
D.the vessel's head
A.white light whose characteristic is Morse (A)
B.group-occulting white light
C.composite group-flashing (2 + 1) white light
D.composite group-flashing (2 + 1) red or green light
A.lettered
B.spherical
C.showing a white light
D.All of the above
A.the equator
B.a great circle
C.a small circle
D.a meridian
A.the equator
B.a loxodromic curve
C.a small circle
D.a meridian
最新試題
Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）
A special mark (yellow buoy)，if lighted，may exhibit which light rhythm?（）
A mid-channel buoy，if lighted，will show a（）.
A structure，usually made of stone，or cement pilings，which extends from the bank at approximately right angles to the current is called a（）.
An orange and white buoy marking a danger area will have what symbol on it?（）
A parallel of latitude other than the equator is a（）.
How is the intensity of a light expressed in the Light Lists?（）.
How would you pass a red buoy in the maritime buoyage system “A”? （）
A preferred-channel buoy will show a（）.
Buoys which mark dredging areas are painted（）.