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navigational system | |||
navigation system | |||
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navigation systems | |||
navigation and landing aids |
Navigationssystem: 32 phrases in 7 subjects |
Automobiles | 10 |
Communications | 9 |
Fish farming pisciculture | 1 |
Foreign trade | 1 |
General | 2 |
Information technology | 1 |
Transport | 8 |