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| шум на земле | |||
| сейсмический шум | |||
| шумовой фон; фон шумов; фоновые помехи; фо́новый шум; фон помех | |||
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本底噪声 : 16 phrases in 6 subjects |
| Environment | 1 |
| General | 2 |
| Mathematics | 1 |
| Nanotechnology | 1 |
| Oil / petroleum | 1 |
| Technology | 10 |
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