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| 声 源: 234 phrases in 29 subjects |
| Acoustics | 3 |
| Air defense | 13 |
| Automobiles | 9 |
| Aviation | 6 |
| Chemistry | 1 |
| Cryptography | 2 |
| Earth sciences | 6 |
| Ecology | 6 |
| Electronics | 19 |
| Environment | 1 |
| Explosives and Explosive Ordnance Disposal | 6 |
| General | 5 |
| Geophysics | 28 |
| Health care | 1 |
| Information technology | 2 |
| Multimedia | 1 |
| Name of organization | 1 |
| Nautical | 5 |
| Navigation | 3 |
| Oil / petroleum | 6 |
| Otorhinolaryngology | 2 |
| Physics | 1 |
| Plastics | 3 |
| Rail transport | 1 |
| Refrigeration | 3 |
| Space | 13 |
| Technology | 78 |
| Telecommunications | 7 |
| Wind Energy | 2 |
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