| |||
| 红外线探测系统 | |||
| 红外线防盗系统 | |||
| 红外检测系统; 红外探测系统 | |||
| 红外线探测系统 | |||
|
infrared detection system : 12 phrases in 6 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Metallurgy | 3 |
| Rail transport | 1 |
| Space | 3 |
| Technology | 2 |
| |||
| 红外线探测系统 | |||
| 红外线防盗系统 | |||
| 红外检测系统; 红外探测系统 | |||
| 红外线探测系统 | |||
|
infrared detection system : 12 phrases in 6 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Metallurgy | 3 |
| Rail transport | 1 |
| Space | 3 |
| Technology | 2 |