space operation
| command system
| space operation | |
| space | 航天 操作; 空间作战; 天战 |
| command system | |
| IT од. | 命令系统 |
| mil., air.def. | 指挥体系 |
| |||
| 航天［空间］操作; 空间作战; 天战 | |||
|
space operation : 52 phrases in 9 subjects |
| Air defense | 2 |
| Aviation | 3 |
| Earth sciences | 1 |
| General | 1 |
| Refrigeration | 2 |
| Scientific | 1 |
| Space | 27 |
| Technology | 1 |
| United States | 14 |