单项选择题
A.running fix B.fix C.estimated position D.assumed position
A relative bearing is always measured from（）.A.true nor...
单项选择题A relative bearing is always measured from（）.
A.true north B.magnetic north C.the vessel's beam D.the vessel's head
A position that is obtained by using two or more inters...
单项选择题A position that is obtained by using two or more intersecting lines of position，taken at nearly the same time，is a(n)（）.
A.estimated position B.fix C.running fix D.dead-reckoning position
A position that is obtained by applying estimated curre...
单项选择题A position that is obtained by applying estimated current and wind to your vessel’s course and speed is a(n)（）.
A.dead reckoning position B.estimated position C.fix D.None of the above
