In the Northern hemisphere northerly winds may cause temperature（）.

Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.

The dew point temperature is（）.

（）is on the panel of radar.

When steering by autopilot,how often should the steering be checked?（）

Berthing means bringing a vessel to her berth until（）.

（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.

（）is halfway between the forward and after perpendiculars and is reference point for vessel construction.

Where would you find information about the time of high tide at a specific location on a particular day of the year?（）

The circulation around a low pressure center in the Northern Hemisphere is（）.