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systèmes de navigation | |||
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système de navigation |
navigation systems : 125 phrases in 13 subjects |
Astronautics | 5 |
Aviation | 38 |
Communications | 28 |
General | 9 |
Information technology | 1 |
Law | 1 |
Life sciences | 1 |
Mineral products | 2 |
Natural sciences | 3 |
Technology | 1 |
Telecommunications | 2 |
Transport | 32 |
United Nations | 2 |