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| precesión f | |||
| reacción f | |||
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precession : 22 phrases in 10 subjects |
| Chemistry | 1 |
| Communications | 1 |
| Computer numerical control | 1 |
| Earth sciences | 2 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Natural sciences | 1 |
| Physical sciences | 5 |
| Technology | 8 |
| Transport | 1 |