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| |||
| attempt; prove; try | |||
| to test | |||
| proven; try out | |||
| |||
| trying | |||
| |||
| tried | |||
| |||
| approved; field-tested (im praktischen Einsatz); tried; tries; well tried; tested | |||
| time tested; tried out | |||
| well-tried; well-proven; firmly established | |||
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erprobte : 17 a las frases, 6 temas |
| Comercio exterior | 2 |
| General | 7 |
| Medicina | 4 |
| Óptica rama de la física | 2 |
| Perfume | 1 |
| Término militar | 1 |