单选

Shorter pulse lengths which may be repeated at a faster rate (higher pulse repetition frequency) on short ranges will give______at those ranges.

  • A.Good Bearing discrimination
  • B.Good Range discrimination
  • C.Poor Bearing discrimination
  • D.Poor Range discrimination
参考答案
您可能感兴趣的试题

SINGLE UP FORWARD TO HEAD LINE AND SPRING means ______.

  • A.let go all the lines forward including head line and spring
  • B.let go the head line and spring only
  • C.let go all the lines except a head line and spring
  • D.let go the head line and spring including all the lines

Shorter pulse lengths which may be repeated at a faster rate (higher pulse repetition frequency) on short ranges will give______at those ranges.

  • A.Good Bearing discrimination
  • B.Good Range discrimination
  • C.Poor Bearing discrimination
  • D.Poor Range discrimination

Ship security officer is __________.

  • A.the guard posted on the vessel
  • B.a person responsible for implementation of international ship and port security code on board ship
  • C.the master of the vessel
  • D.All the above

Serving is ______.

  • A.marline or ratline wound along the grooves of a rope
  • B.narrow strips of light canvas or cotton cloth spiral-wrapped along the rope
  • C.marline tightly wound on the rope by means of a board or mallet
  • D.a splice made by laying the strand of one rope into the vacated grooves of another rope

Sailing vessels are stand-on over power-driven vessels except ______.

  • A.in a crossing situation
  • B.in a meeting situation
  • C.when they are the overtaking vessel
  • D.on the inland waters of the PR China

Serious loss of reserve buoyancy resulting from flooding any compartment of a ship will always ______.

  • A.increase the trim
  • B.change the free surface effect
  • C.cause a serious list
  • D.decrease ship stability
¥

订单号:

遇到问题请联系在线客服

订单号:

遇到问题请联系在线客服