A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection
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A.fix
B.estimated position
C.dead reckoning position
D.running fix
A.American Bureau of Shipping
B.Commissioner of Customs
C.Treasury Department
D.Coast Guard
A.is easy to connect
B.provides an effective catenary and absorbs shock due to its weight
C.makes rigging a swivel unnecessary
D.prevents the tow from yawing by the drag of the chains in a seaway
A.is more flexible and has the ability to absorb shock because of its weight
B.is less subject to wear and damage from abrasion
C.requires little maintenance
D.All of the above
A.a rotation
B.a revolution
C.space motion
D.nutation
最新試題
A “l(fā)iner” in riveted construction of a vessel is a(n)（）.
A celestial body’s complete orbit around another body is（）.
A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury，recommended treatment would include（）.
A chain bridle is used when towing astern because it（）.
A tonnage tax is levied according to the（）.
A celestial body will cross the prime vertical circle when the latitude is numerically（）.
A “sheepshank” is used to（）.
A “reaching” course is one in which the wind（）.
A casualty report of an intentional grounding of a ship is required under what condition?（）
A “full service” Loran-C receiver will provide（）.