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| главная последовательность (звёзд) | |||
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主 序 : 63 phrases in 12 subjects |
| Antennas and waveguides | 1 |
| Astronomy | 7 |
| Education | 1 |
| Electronics | 1 |
| General | 26 |
| Information technology | 7 |
| Law | 4 |
| Mathematics | 2 |
| Medical | 1 |
| Nautical | 1 |
| Oil processing plants | 2 |
| Technology | 10 |
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