 |
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| пассивная инфракрасная система (system) | |||
| English thesaurus | |||
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| PIR (sensor) | |||
| passive infrared: 34 phrases in 8 subjects |
| Astronautics | 1 |
| Mass media | 1 |
| Military | 14 |
| Mobile and cellular communications | 1 |
| Quantum electronics | 1 |
| Security systems | 6 |
| Technology | 9 |
| Telecommunications | 1 |