()is a type of fog occurring close to the sea surface when the air is dry and cold-probably at least 9℃ below the sea surface temperature.
A、MIXING FOG
B、ADVECTION FOG
C、RADIATION FOG
D、ARCTIC SEA SMOKE
A、MIXING FOG
B、ADVECTION FOG
C、RADIATION FOG
D、ARCTIC SEA SMOKE
A、Mention signal stations and ice,storm,traffic and port signals B、Give the international numbers of lights C、Give the correction of the lights and fog signals D、Give the information on the lights and fog signals
A、A.the radar reflectors reflect better signals B、B.fog horn signals travel farther to sea C、C.it is equipped with strobe lights D、D.it has a reduced watch circle
A、There are several types of hatch covers on board ship. B、There are several types of hatches on board ship. C、There is one type of hatches on board ship. D、There is one type of hatch covers on board ship.
A、A.type array arr_type[emp.ename%type] index by binary_integer; B、B.type table arr_type[emp.ename%type] index by binary_integer; C、C.type arr_type is table of emp.ename%type index by binary_integer; D、D.type arr_type is pl_sql table of emp.ename%type index by binary_integer;
A、that the vessel is anchored B、to request the draw span of a bridge to be opened C、of distress D、that the vessel is broken down and drifting