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| ионность | |||
| 电离 性: 36 phrases in 8 subjects |
| Antennas and waveguides | 2 |
| Astronautics | 1 |
| Electronics | 8 |
| Environment | 2 |
| General | 7 |
| Measuring instruments | 1 |
| Medical | 2 |
| Technology | 13 |
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