A .134°13′.6E
B .134°53′.9E
C .125°06′.1E
D .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]某船位于(05°N,140°E),真航向180°,航程400nmile,则到达点的纬度和东西距分别为()。A .6°.7S,400B .1°.7N,400C .1°.7N,0D .1°.7S,0
[单选题]已知起航点经度λ1108°24ˊ.6E,到达点经度λ2118°04ˊ.6E,则两地间的经差Dλ为:()A.9°24ˊ.6EB.10°20ˊ.0EC.9°40ˊ.0ED.9°20ˊ.0E
[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]由起航点35°N,120°E到45°N,160°E的大圆始航向为()。A .059°B .060°C .072°D .080°
[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]某船位于(00°,001°W),真航向090°,航程260nmile,则到达点的经度和东西距分别为()。A .3°.3W,260′B .3°.5W,260′C .3°.3E,260′D .3°.5E,260′
[单选题]某船位于(42°N,140°E),真航向270°,航程210nmile,则经差和东西距分别为()。A .4°.5E,145′B .4°.7W,145′C .4°.5E,210′D .4°.7W,210′
[单选题]某轮起航点(30°S,140°W),先向东航行300nmile,后向北航行300nmile,又向西航行300nmile,再向南航行300nmile。则该轮最后到达点()。A .回到起航点B .在起航点之东C .在起航点之西D .在起航点之北
[单选题]已知起航点纬度Φ123°24ˊ.2N,到达点纬度Φ239°16ˊ.4N,则两地间的纬差DΦ为:()A.15°52ˊ.2NB.16°07ˊ.8NC.14°52ˊ.2ND.62°40ˊ.6N