A.a high pressure area with cool, dry air and fair weather B.a high pressure area with warm, moist air and inclement weather C.horse latitudes, with rough seas and strong winds D.a heavy squall line near the “H”
单项选择题There are often three parts in a weather report, not including()
A.warning B.general synopsis C.forecast D.traffic density
单项选择题Which of the following is defined as static information of AIS?()
A.Navigational status B.Safety related messages C.MMSI D.Route plan
单项选择题When hitting a solid object such as ship or an airplane,the radar waves are reflected back()they came.
A.in the way B.the way C.by the way D.through the path
单项选择题What does SSO stand for regarding ship security?()
A.Ship security office B.Ship security officer C.Ship security operator D.Ship safety office
单项选择题()provides a selection of commonly used routes with their distances between principal and important positions.
A.The Mariner‟s Handbook B.Admiralty Sailing Directions C.Ocean Passages for the World D.Mariner‟s Routeing Guide