问题
单项选择题
When out of sight of land, a ship’s position can be found by using().
A.the coastal navigation
B.the celestial navigation
C.traditional navigation
D.the great circle navigation
答案
参考答案:B
When out of sight of land, a ship’s position can be found by using().
A.the coastal navigation
B.the celestial navigation
C.traditional navigation
D.the great circle navigation
参考答案:B