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旋回加速器 : 51 phrases in 10 subjects |
| Antennas and waveguides | 1 |
| Astronomy | 1 |
| Electricity | 1 |
| Electronics | 2 |
| General | 17 |
| Household appliances | 1 |
| Medical | 1 |
| Military | 2 |
| Physics | 3 |
| Technology | 22 |
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