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| backbone structure | |||
| basic construction | |||
| base structures | |||
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structure de base : 24 phrases in 9 subjects |
| Agriculture | 1 |
| Chemistry | 4 |
| Communications | 4 |
| Electronics | 1 |
| General | 3 |
| Information technology | 8 |
| Microsoft | 1 |
| Name of organization | 1 |
| Natural sciences | 1 |