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| componentes del sistema | |||
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System Component : 19 phrases in 12 subjects |
| Agriculture | 1 |
| Chemistry | 3 |
| Communications | 1 |
| Education | 1 |
| Finances | 1 |
| Information technology | 5 |
| Mechanic engineering | 1 |
| Natural sciences | 1 |
| Nuclear physics | 1 |
| Radio | 1 |
| Technology | 2 |
| Transport | 1 |