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| фронт второстепенного значения | |||
| вторичный фронт | |||
| вторичный фронт (a front that may form within a baroclinic cold air mass, which itself is separated from a warm air mass by a primary frontal system) | |||
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secondary front : 5 фраз в 4 тематиках |
| Авиация | 1 |
| Макаров | 1 |
| Метеорология | 2 |
| Техника | 1 |