passive infrared
| detection
| passive infrared | |
| el. | 无源红外; 被动红外 |
| detection | |
| auto. | 检 测; 觉察 |
| avia. | 侦查 |
| environ. | 侦查 |
| genet. | 观察 |
| otorhinol. | 察觉 |
| otorhinol. од. | 检测 |
| radio.amat. од. | 检波 |
| rem.sens. | 火灾侦查 |
| vet.med. | 检查 |
| |||
| 无源红外探测器; 被动红外探测器 | |||
| |||
| 被动红外 | |||
| English thesaurus | |||
| |||
| PIR (sensor) | |||
|
passive infrared : 33 phrases in 9 subjects |
| Air defense | 3 |
| Aviation | 4 |
| Earth sciences | 1 |
| Electronics | 8 |
| Engineering geology | 1 |
| Oil / petroleum | 1 |
| Space | 10 |
| Technology | 4 |
| United Nations | 1 |