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| reference noise | |||
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| reference noise (эквивалентный мощности 10-12 Вт на частоте 1000 Гц по шкале шумомера) | |||
| reference noise; reference noise level | |||
| reference noise power | |||
| контрольный уровень шума: 7 phrases in 3 subjects |
| Electronics | 5 |
| Technology | 1 |
| Telecommunications | 1 |
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