A .319°
B .041°
C .049°
D .311°
[单选题]某轮计划由12°00′.0N,83°41′.0W航行到74°29′.8N,19°12′.5E,则该轮的大圆始航向为()。A .15°B .75°C .015°D .075°
[单选题]某轮拟由30°57′.2N,130°53′.0E航行到28°10′.2N,177°26′.0W,则相应的大圆航程为()。A .2778nmileB .2722nmileC .2700nmileD .2678nmile
[单选题]某轮计划由14°02′.2S,116°06′.0E航行到5°50′.0N,79°02′.0E,则相应的大圆始航向为()。A .116°B .296°C .154°D .306°
[单选题]某轮计划由40°42′N,74°01′W,航行到35°57′N,5°45′W,在该轮大圆始航向为()。A .72°B .072°C .18°D .018°
[单选题]某轮计划由9°00′.6N,85°15′.0W,航行到56°25′N,177°00′E,则该轮大圆始航向为()。A .034°B .056°C .304°D .326°
[单选题]某船由60°55′.5N,065°04′W,航行到36°50′N,8°59′W,则该船的大圆始航向为()。A .98°B .172°C .098°D .198°
[单选题]某轮计划由17°50′N,109°55′E航行到27°05′N,142°06′E,则相应的大圆航程为()。A .3537nmileB .3437nmileC .1863nmileD .2863nmile
[单选题]某船计划由56°36′N,169°56′W,航行到34°49′.5N,139°53′E,则该船的大圆始航向为()。A .090B .270°C .101°D .259°
[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′