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高超音速 : 26 phrases in 11 subjects |
| Aerohydrodynamics | 1 |
| Air defense | 1 |
| Aviation | 1 |
| Business | 2 |
| Chemistry | 1 |
| Electronics | 2 |
| Metallurgy | 1 |
| Missiles | 1 |
| Rail transport | 3 |
| Technology | 11 |
| Wind Energy | 2 |
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