23. The low polar orbiting satellite system provides the coverage of____.
A: sea area A4
B: sea areas Al and A2
C: all over the world
D: sea areas Al, A2, A3 and A4
A: sea area A4
B: sea areas Al and A2
C: all over the world
D: sea areas Al, A2, A3 and A4
举一反三
- 25. The-low polar orbiting satellite system provides the coverage of _ A: sea areas Al and A2 B: sea areas AJ, A2, A3 and A4 C: sea area A3 . D: sea area A4
- The low polar orbiting satellite system provides the coverage of （ ） A: Area A4 B: Area Aland A2 C: Area A3 D: Area Al. A2.A3and A4
- 智慧职教: Sea area A2 is an area within the coverage of at least one_________.
- 如果进栈序列为al,a2,a3,a4,则可能的出栈序列是( ) A: a3,al,a4,a2 B: a2,a4,a3,a1 C: a3,a4,al,a2 D: 任意顺序
- Area A2 is an area. excluding sea area Al. within the coverage of at least one( ) . A: VHF coast station B: MF coast station C: satellite D: RCC