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| 集电极: 206 phrases in 21 subjects |
| Agriculture | 1 |
| Air defense | 7 |
| Automobiles | 3 |
| Aviation | 2 |
| Business | 1 |
| Construction | 2 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electronics | 76 |
| General | 7 |
| Geophysics | 1 |
| Information technology | 8 |
| Metallurgy | 9 |
| Oil / petroleum | 10 |
| Radio | 1 |
| Semiconductors | 3 |
| Shipbuilding | 7 |
| Space | 5 |
| Technology | 55 |
| Telecommunications | 5 |
| Wind Energy | 1 |
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