问题
单项选择题
A position obtained by applying only your vessel’s coures and speed to a known position is a().
A.dead-reckoning position
B.fix B.estimated position
C.probable position
D.running fix
答案
参考答案:A
A position obtained by applying only your vessel’s coures and speed to a known position is a().
A.dead-reckoning position
B.fix B.estimated position
C.probable position
D.running fix
参考答案:A