A .44°13′.6N
B .55°46′.4N
C .47°06′.8N
D .48°46′.4N
[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]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]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
[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]已知起航点纬度j1=04°24'.8S,到达点纬度j2=11°36'.4N,则两地间纬差Dj为()A .07°11'.6NB .16°01'.2NC .07°11'.6SD .15°01'.2N
[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]已知到达点纬度Φ226°24ˊ.6N,两地间纬差DΦ8°06ˊ.2N,则起航点纬度Φ1为:()A.18°18ˊ.4NB.15°47ˊ.8NC.34°30ˊ.8ND.15°12ˊ.2N
[单选题]某轮由已知到达点纬度为26°24'.6N,两地间纬差为08°06'.2N,则起航点纬度为()A .18°18'.4NB .15°47'.8NC .34°30'.8ND .15°12'.2N