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| ciclo de sistema | |||
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system cycle : 27 phrases in 10 subjects |
| Earth sciences | 2 |
| Education | 1 |
| Electronics | 3 |
| Environment | 3 |
| General | 8 |
| Information technology | 3 |
| Name of organization | 2 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Transport | 3 |
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