In light characteristics expression，“ Oc (2+3)” means______．
A. occulting
B. occasional flashing
C. groupocculting
D. Composite groupocculting
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In the doldrums you will NOT have ______.
A. high relative humidity
B. frequent showers and thunderstorm
C. steep pressure gradients
D. frequent calms
In the Master’s Note of Sea Protest, I reserve the right to extend same at time and place
A. same time
B. sea protest
C. report
D. Accident
In small angle stability, when external forces exist, the buoyant force is assumed to act
A. center of gravity
B. center of flotation
C. metacenter
D. metacentric height
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