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polarizacion : 401 phrase in 26 subjects |
| Accumulators | 9 |
| Antennas and waveguides | 15 |
| Automated equipment | 2 |
| Chemistry | 9 |
| Communications | 113 |
| Earth sciences | 21 |
| Electrochemistry | 5 |
| Electronics | 179 |
| Finances | 1 |
| General | 2 |
| Health care | 1 |
| Industry | 2 |
| Information technology | 3 |
| Labor law | 1 |
| Life sciences | 4 |
| Magnetics | 6 |
| Measuring instruments | 5 |
| Mechanic engineering | 2 |
| Medical | 2 |
| Metallurgy | 2 |
| Microscopy | 1 |
| Natural sciences | 2 |
| Piezoelectric crystals | 3 |
| Radio | 9 |
| Textile industry | 1 |
| Video recording | 1 |