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| 放 射 管: 52 phrases in 15 subjects |
| Architecture | 1 |
| Aviation | 2 |
| China | 1 |
| Earth sciences | 2 |
| Ecology | 2 |
| Electronics | 11 |
| Environment | 1 |
| General | 5 |
| Metallurgy | 1 |
| Nuclear physics | 1 |
| Oil / petroleum | 3 |
| Radio | 4 |
| Space | 1 |
| Surgery | 3 |
| Technology | 14 |
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