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| infra-son m; infrason m | |||
| infra-sons m | |||
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| infrason m | |||
| Англійський тезаурус | |||
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| Very low-frequency sound which can travel long distances and easily penetrate most buildings and vehicles | |||
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infrasound : 1 фраза в 1 тематиці |
| Організація Об'єднаних Націй | 1 |