单项选择题
A.warning B.general synopsis C.forecast D.traffic density
Which of the following is defined as static information...
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
When hitting a solid object such as ship or an airplane...
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
What does SSO stand for regarding ship security?（）A.Shi...
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
