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| système de classement; système de représentation | |||
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Mapping System : 27 phrases in 12 subjects |
| Coal | 1 |
| Construction | 2 |
| Earth sciences | 2 |
| Food industry | 1 |
| General | 1 |
| Health care | 1 |
| Life sciences | 2 |
| Metallurgy | 2 |
| Name of organization | 10 |
| Nuclear physics | 1 |
| Technology | 1 |
| Water resources | 3 |