 |
| 置零: 128 phrases in 31 subjects |
| Advertising | 2 |
| Air defense | 5 |
| Astronautics | 1 |
| Automated equipment | 1 |
| Automobiles | 6 |
| Aviation | 14 |
| Business | 4 |
| Chemistry | 1 |
| Commerce | 4 |
| Computers | 1 |
| Construction | 2 |
| Cryptography | 1 |
| Ecology | 2 |
| Electric machinery | 4 |
| Electronics | 10 |
| General | 4 |
| Geophysics | 5 |
| Information technology | 5 |
| Latin | 1 |
| Medical | 1 |
| Metallurgy | 2 |
| Nuclear physics | 2 |
| Nursing | 1 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Project management | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Space | 6 |
| Technology | 28 |
| Telecommunications | 9 |