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分频 : 266 phrases in 27 subjects |
| Astronautics | 4 |
| Automated equipment | 2 |
| Automobiles | 1 |
| Communications | 2 |
| Corporate governance | 1 |
| Education | 1 |
| Electricity | 4 |
| Electronics | 33 |
| Fishery fishing industry | 1 |
| General | 57 |
| Geology | 1 |
| Geophysics | 2 |
| Information technology | 2 |
| International Monetary Fund | 1 |
| Mathematics | 3 |
| Medical | 1 |
| Metrology | 1 |
| Military | 7 |
| Nautical | 1 |
| Oil and gas | 3 |
| Oil processing plants | 8 |
| Radio | 12 |
| Seismology | 2 |
| Statistics | 4 |
| Technology | 106 |
| Telecommunications | 5 |
| Television | 1 |
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