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| посматрање | |||
| Anglais glossaire | |||
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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 : 3 phrases, 2 sujets |
| Électronique | 1 |
| Mathématiques | 2 |