Intelligence and Security
| Service
| intelligence and security | |
| space | 情报和安全 |
| service | |
| econ. | 署; 司; 服 务 |
| hydroel.st. | 供给 |
| interntl.trade. | 劳务 |
| met. | 维护; 设施 |
| oil | 修理 |
| |||
| 情报和安全 | |||
|
Intelligence and Security : 7 phrases in 3 subjects |
| Air defense | 2 |
| Space | 4 |
| United States | 1 |