 |
| 声反 射: 131 phrases in 19 subjects |
| Air defense | 1 |
| Automobiles | 5 |
| Aviation | 3 |
| Business | 2 |
| Earth sciences | 1 |
| Electronics | 6 |
| Fishery fishing industry | 1 |
| General | 1 |
| Geophysics | 5 |
| Hydroelectric power stations | 1 |
| Metallurgy | 4 |
| Nautical | 2 |
| Nursing | 1 |
| Oil / petroleum | 7 |
| Otorhinolaryngology | 10 |
| Refrigeration | 1 |
| Space | 12 |
| Technology | 66 |
| Telecommunications | 2 |
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