A、relative humidity
B、air temperature
C、barometric pressure
D、absolute humidity
更多“Fog is likely to occur when there is little difference between the dew point and the（）.”相关的问题
A、In positions in which the noises in the ship are least likely to interfere with the hearing of a fog signal and the man can see clearly B、In positions in which the noises in the ship are much likely to interfere with the hearing of a fog signal C、In positions in which the hearing of a signal is reduced to a minimum D、In a position in which the man can see clearly
A、spring，around late evening B、spring，around early evening C、fall，around early morning D、fall，around midday
A、pressure builds up in the nozzle which causes a surge of water B、the only opening in a passageway is the one from which the nozzle is being advanced C、pressure in the fire hose drops below 100 psi D、a bulkhead collapses due to heat and pressure
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
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