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| 激活: 297 phrases in 26 subjects |
| Antennas and waveguides | 1 |
| Biology | 1 |
| Chemistry | 16 |
| Computers | 8 |
| Electricity | 1 |
| Electronics | 11 |
| General | 73 |
| Genetics | 1 |
| Geochemistry | 1 |
| Geology | 1 |
| Geophysics | 1 |
| Household appliances | 1 |
| Information technology | 1 |
| Internet | 1 |
| Lasers | 3 |
| Medical | 41 |
| Metallurgy | 3 |
| Microelectronics | 1 |
| Military | 3 |
| Nuclear and fusion power | 4 |
| Nuclear physics | 1 |
| Oil and gas | 2 |
| Oil processing plants | 9 |
| Quantum electronics | 2 |
| Radio | 1 |
| Technology | 109 |
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