A .059°
B .060°
C .072°
D .080°
[单选题]由起航点35°N,120°E到45°N,160°E的大圆航程为()。A .1912nmileB .1812nmileC .2002nmileD .1892nmile
[单选题]某轮起航点50°N、130°E,航向150°,航程400nmile,到达点经度为()。A .134°13′.6EB .134°53′.9EC .125°06′.1ED .125°16′.1E
[单选题]某轮起航点50°N、130°E,航向150°,航程400nmile,到达点纬度为()。A .44°13′.6NB .55°46′.4NC .47°06′.8ND .48°46′.4N
[单选题]起航点35°S,120°E,到达点35°S,150°E,两点间大圆航线所经过的纬度()。A .大于35°SB .小于35°SC .等于35°SD .不一定
[单选题]某船拟由(42°N,140°E)驶往(40°N,120°E),则恒向线航向为()。A .82°.5B .97°.5C .262°.5D .277°.5
[单选题]某轮从(40°N,140°E)航行到(42°N,160°E),则应驶的恒向线航向为()。A .082°.5B .097°.5C .262°.5D .277°.5
[单选题]某船位于(30°N,140°E),真航向180°,航行到(10°N,140°E),则航程和东西距分别为()。A .1200′,0′B .1200′,1200′C .600′,0′D .600′,600′
[单选题]某轮从(30N,120E)驶往(20N,158E),则恒向线航向为()。A .73°.8B .106°.2C .163°.8D .253°.8
[单选题]某轮由A点(55°N,120°E)航行到B点(65°N,130°E),则AB间的东西距为()。A .600nmileB .253.6nmileC .344.1nmileD .300nmile
[单选题]某船位于(30°N,001°W),真航向090°,航行到(30°N,10°E),则船舶航程和东西距分别为()。A .571′.6,571′.6B .571′.6,381′C .381′,571′.6D .381′,381′