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| измерение затухания | |||
| степень ослабления | |||
| степень затухания | |||
| 衰 减 度: 30 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Automated equipment | 1 |
| Communications | 1 |
| Electronics | 2 |
| General | 3 |
| Meteorology | 1 |
| Metrology | 1 |
| Nautical | 1 |
| Oil and gas | 1 |
| Oil processing plants | 2 |
| Technology | 15 |
| Telecommunications | 1 |
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