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| Inglés tesauro | |||
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| obbo; observ; obsv | |||
| obsn; obsr | |||
| The condition of weather and terrain that permits a force to see the friendly, enemy, and neutral personnel and systems, and key aspects of the environment. (FRA) | |||
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Observation : 7 a las frases, 2 temas |
| Estadísticas | 2 |
| Matemáticas | 5 |