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| densità lineare di… | |||
| linéique: 96 phrases in 23 subjects |
| Antennas and waveguides | 2 |
| Communications | 2 |
| Earth sciences | 19 |
| Electric motors | 2 |
| Electric traction | 1 |
| Electronics | 22 |
| Energy industry | 1 |
| Environment | 1 |
| Fish farming pisciculture | 2 |
| General | 3 |
| Industry | 2 |
| Information technology | 2 |
| Lighting other than cinema | 3 |
| Magnetics | 4 |
| Measuring instruments | 1 |
| Mechanic engineering | 2 |
| Metallurgy | 1 |
| Nuclear physics | 6 |
| Physical sciences | 6 |
| Physics | 8 |
| Radio | 1 |
| Radiology | 3 |
| Scientific | 2 |