A .143′.9
B .1.0
C .2.0
D .115′.0
[单选题]某船以固定航向060°航行,该船航行的理想轨迹是()。A .绕地球一周,最后回到原点B .逐渐靠近地极,最终到达地极C .螺旋上升,逐渐趋近地极,但永远达不到地极D .以上都错
[单选题]某轮船速12kn,顺风顺流航行,流速2kn,风使船增速1kn,则1h后船舶实际航程为()。A .12nmileB .13nmileC .14nmileD .15nmile
[单选题]某轮船速12kn,顶风顺流航行,流速2kn,风使船减速1kn,则1h后船舶实际航程为()。A .11nmileB .12nmileC .13nmileD .14nmile
[单选题]某轮船速12kn,逆风逆流航行,流速2kn,风使船减速1kn,则1h后船舶实际航程为()。A .9nmileB .10nmileC .11nmileD .12nmile
[单选题]某轮船速12kn,顶流顺风航行,流速2kn,风使船增速1kn,则1h后船舶实际航程为()。A .10nmileB .11nmileC .12nmileD .13nmile
[单选题]某轮船速12kn,逆风逆流航行,流速1kn,风使船减速1kn,则1h后船舶对水航程为()。A .9nmileB .10nmileC .11nmileD .12nmile
[单选题]某轮船速12kn,顺风顺流航行,流速2kn,风使船增速1kn,则1h后船舶对水航程为()。A .12nmileB .13nmileC .14nmileD .15nmile
[单选题]某轮船速12kn,顶风顺流航行,流速2kn,风使船减速1kn,则1h后船舶对水航程为()。A .11nmileB .12nmileC .13nmileD .14nmile
[单选题]某轮船速12kn,顶流顺风航行,流速2kn,风使船增速1kn,则1h后船舶对水航程为()。A .10nmileB .11nmileC .12nmileD .13nmile
[单选题]船速10kn,计划航迹向060o,流向015o,流速5kn,则其真航向、推算航速为()。A .TC055°,V13knB .TC081°,V13knC .TC055°,V6.5knD .TC081°,6.5kn