当前,利用C/A码GPS卫星导航仪定位,定位精度约为( ).() A: 0.1 n mile B: 0.3 n mile C: 20m D: 1 m
当前,利用C/A码GPS卫星导航仪定位,定位精度约为( ).() A: 0.1 n mile B: 0.3 n mile C: 20m D: 1 m
1 mile是 A: 1km B: 1.6km C: 1000 m D: 2km
1 mile是 A: 1km B: 1.6km C: 1000 m D: 2km
Dad was an indefatigable walker. He could hike for mile after mile and never seemed to get weary. Dad was an indefatigable walker. He could hike for mile after mile, _______________________.
Dad was an indefatigable walker. He could hike for mile after mile and never seemed to get weary. Dad was an indefatigable walker. He could hike for mile after mile, _______________________.
___________ they reached the center of the city, they stopped the car at a bar. A: Before a mile or so when B: Further than a mile or so C: For a mile or so after D: A mile or so before
___________ they reached the center of the city, they stopped the car at a bar. A: Before a mile or so when B: Further than a mile or so C: For a mile or so after D: A mile or so before
NAVTEX系统的每个发射台覆盖范围是____( )。 A: 150 n mile B: 200 n mile C: 300 n mile D: 400 n mile
NAVTEX系统的每个发射台覆盖范围是____( )。 A: 150 n mile B: 200 n mile C: 300 n mile D: 400 n mile
VHF无线电设备是实现近距离海上通信的主要手段,它的有效通信距离是 。 A: 50n mile B: 150n mile C: 200n mile D: 400n mile
VHF无线电设备是实现近距离海上通信的主要手段,它的有效通信距离是 。 A: 50n mile B: 150n mile C: 200n mile D: 400n mile
如果目标船AIS传感器的精度符合相关国际标准的要求,则在近量程(___之内)其报告数据精度不低于雷达跟踪目标的精度,在远量程报告数据的精度应高于跟踪数据精度。 A: 1 n mile B: 2 n mile C: 3 n mile D: 4 n mile
如果目标船AIS传感器的精度符合相关国际标准的要求,则在近量程(___之内)其报告数据精度不低于雷达跟踪目标的精度,在远量程报告数据的精度应高于跟踪数据精度。 A: 1 n mile B: 2 n mile C: 3 n mile D: 4 n mile
中华人民共和国毗连区为领海以外邻接领海的一带海域,毗连区的宽度为_____。 A: 12 n mile B: 24 n mile C: 200 n mile D: 3 n mile
中华人民共和国毗连区为领海以外邻接领海的一带海域,毗连区的宽度为_____。 A: 12 n mile B: 24 n mile C: 200 n mile D: 3 n mile
a good mile _____________
a good mile _____________
某船拟由(42˚N、140˚E)驶往(40˚N、120˚)E,则恒向线航程为: A: 910.5 n mile B: 915.3 n mile C: 917.9 n mile D: 913.6 n mile
某船拟由(42˚N、140˚E)驶往(40˚N、120˚)E,则恒向线航程为: A: 910.5 n mile B: 915.3 n mile C: 917.9 n mile D: 913.6 n mile