 |
| 表 面 波: 234 phrases in 22 subjects |
| Air defense | 7 |
| Automobiles | 3 |
| Aviation | 5 |
| Chemistry | 1 |
| Compressors | 1 |
| Earth sciences | 4 |
| Electronics | 60 |
| Engineering geology | 2 |
| Explosives and Explosive Ordnance Disposal | 3 |
| General | 5 |
| Geophysics | 3 |
| Information technology | 3 |
| Metallurgy | 7 |
| Piezoelectric crystals | 10 |
| Plastics | 1 |
| Refrigeration | 1 |
| Space | 34 |
| Technology | 72 |
| Telecommunications | 8 |
| United States | 1 |
| Welding | 1 |
| Wind Energy | 2 |
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