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| βόλιση όζοντος; μέτρηση όζοντος; παρατήρηση όζοντος | |||
| παρατήρηση; παρακολούθηση; επιτήρησις; παρακολούθησις | |||
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| παρακoλoυθήσεις | |||
| παρατηρήσεις | |||
| English thesaurus | |||
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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) | |||
| Observation: 250 phrases in 35 subjects |