medium altitude | |
gen. | 中等高度 |
space | 中空 |
communication satellite | |
eng.geol. | 通讯卫星 |
interntl.trade. | 通讯卫星 |
oil | 通信卫星 |
| |||
中等高度 | |||
中空 | |||
| |||
中高度 |
medium altitude communication satellite : 24 phrases in 8 subjects |
Air defense | 3 |
Aviation | 3 |
Earth sciences | 2 |
Electronics | 5 |
General | 1 |
Space | 7 |
Technology | 2 |
Telecommunications | 1 |