单项选择题

Assumption shall（）on the basis of scanty information especially scanty radar information.

A.make
B.be made
C.not make
D.not be made

相关考题

As a vessel changes course to starboard，the compass car...

单项选择题As a vessel changes course to starboard，the compass card in a magnetic compass（）.

A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port

A system of reservoirs and connecting tubes in a gyro c...

单项选择题A system of reservoirs and connecting tubes in a gyro compass is called a（）.

A.spider element
B.mercury ballistic
C.gyrotron
D.rotor

A single vertical magnet placed underneath the compass ...

单项选择题A single vertical magnet placed underneath the compass in the binnacle is used to compensate for（）.

A.the horizontal component of the permanent magnetism
B.deviation caused by the vessel's inclination from the vertical
C.induced magnetism in the horizontal soft iron
D.induced magnetism in the vertical soft iron

GPS、DF及LC的使用

Assumption shall（）on the basis of scanty information especially scanty radar information.