The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.

It is dangerous for vessels without the operational radar（）the estuary.

When the wave period and the apparent rolling period are the same（）.

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

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

A tide is called diurnal when（）.

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

Fog is likely to occur when there is little difference between the dew point and the（）.

ECDIS must be able to perform all of the following EXCEPT（）.

（）is on the panel of radar.