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绝 真空 : 33 phrases in 12 subjects |
| Aviation | 1 |
| Ecology | 1 |
| Electronics | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Metallurgy | 1 |
| Refrigeration | 5 |
| Space | 4 |
| Superconductivity | 1 |
| Technology | 12 |
| Telecommunications | 1 |
| Wind Energy | 3 |
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