 |
| 无数: 342 phrases in 20 subjects |
| Aerodynamics | 2 |
| Antennas and waveguides | 3 |
| Business | 1 |
| Computers | 2 |
| Corporate governance | 1 |
| Economy | 2 |
| Electricity | 1 |
| Electronics | 21 |
| Figure of speech | 1 |
| General | 182 |
| Information technology | 9 |
| Internet | 1 |
| Mathematics | 30 |
| Military | 2 |
| Nautical | 1 |
| Oil processing plants | 1 |
| Physics | 2 |
| Radio | 1 |
| Statistics | 1 |
| Technology | 78 |