A.rain
B.high
C.layer
D.cirrus
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A.Rising clouds
B.Lowering clouds
C.Thickening clouds
D.Scattering clouds
A.Humidity
B.Temperature
C.Precipitation
D.Wind
A.Humidity
B.Temperature
C.Precipitation
D.Wind
A.NAVETEX receiver
B.Search and Rescue Transponder
C.Emergency Position Indicating Radio Beacon
D.Digital selective calling
A.NAVETEX receiver
B.Search and Rescue Transponder
C.Emergency Position Indicating Radio Beacon
D.Digital selective calling
最新試題
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（）.
When the wave period and the apparent rolling period are the same（）.
The helm command PORT TWENTY means（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
The company should establish and maintain procedures to control all documents and date which are relevant to（）.
Where would you find information about the time of high tide at a specific location on a particular day of the year?（）
When steering by autopilot,how often should the steering be checked?（）
The circulation around a low pressure center in the Northern Hemisphere is（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
（）is on the panel of radar.