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| perpendiculaire sur; perpendiculaire à | |||
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| perpendiculaire f | |||
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normal to : 24 phrases in 14 subjects |
| Coal | 1 |
| Construction | 1 |
| Economics | 2 |
| Education | 1 |
| General | 9 |
| Industry | 1 |
| International trade | 2 |
| Life sciences | 1 |
| Measuring instruments | 1 |
| Medical | 1 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Taxes | 1 |
| Technology | 1 |