【单项选择题】 How would you pass a red buoy in the maritime buoyage...
【单项选择题】 How is the intensity of a light expressed in the Light...
【单项选择题】 From your position you observe a rotating white and gre...
【单项选择题】 Fishing stake,the position of which frequently(),exist...
【单项选择题】 Except for N-S courses,and E-W courses on the equator...
【单项选择题】 Buoys which only mark the left or right side of the c...
【单项选择题】 Buoys which mark isolated dangers are painted with alter...
【单项选择题】 Buoys which mark dredging areas are painted().
【单项选择题】 Buoys are marked with reflective material to assist in ...
【单项选择题】 Branford reef is().
【单项选择题】 An orange and white buoy with a rectangle on it displa...
【单项选择题】 An orange and white buoy marking an area where operatin...
【单项选择题】 An orange and white buoy marking a danger area will ha...
【单项选择题】 An orange and white buoy indicating a vessel-exclusion ...
【单项选择题】 A yellow buoy may mark a(n)().
【单项选择题】 A yellow buoy may exhibit a(n)().
【单项选择题】 A white buoy with an orange rectangle on it displays(...
【单项选择题】 A white buoy with an open-faced orange diamond on it ...
【单项选择题】 A white buoy with a blue band is().
【单项选择题】 A V-shaped ripple with the point of the V pointing up...
【单项选择题】 A vessel is()when she is not at anchor,made fast to...
【单项选择题】 A structure,usually made of stone,or cement pilings,whi...
【单项选择题】 A spherical buoy may be().
【单项选择题】 A special purpose buoy shall be().
【单项选择题】 A special mark (yellow buoy),if lighted,may exhibit w...
【单项选择题】 A SEAMARK,I.E. A BUOY,INDICATING THE NORTH,EAST,SOUTH...
【单项选择题】 A rock and sand structure extending from the bank of t...
【单项选择题】 A relative bearing is always measured from().
【单项选择题】 A preferred-channel buoy will show a().
【单项选择题】 A preferred-channel buoy may be().
【单项选择题】 A plane that cuts the Earth’s surface at any angle an...
【单项选择题】 A plane that cuts the Earth’s surface and passes throu...
【单项选择题】 A plane perpendicular to the polar axis will never form...
【单项选择题】 A parallel of latitude other than the equator is a()...
【单项选择题】 A nun buoy will().
【单项选择题】 A mid-channel buoy,if lighted,will show a().
【单项选择题】 A line on the Earth parallel to the equator is a().
【单项选择题】 A line of position formed by sighting two charted objec...
【单项选择题】 A lighthouse can be identified by its().
【单项选择题】 A lighted preferred-channel buoy may show a().
【单项选择题】 A light that has a light period shorter than its dark...
【单项选择题】 A light having characteristics which include color variat...
【单项选择题】 A light characteristic of composite group flashing indica...
【单项选择题】 A lateral system buoy displaying a quick light().
【单项选择题】 A great circle track provides the maximum saving in dis...
【单项选择题】 A gnomonic projection is based on a(n)().
【单项选择题】 ()refers to the angle between true North and the head...
【单项选择题】 ()is the distance east or west measured in degrees,mi...
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