 |
| 单元 结构: 87 phrases in 23 subjects |
| Agriculture | 2 |
| Architecture | 1 |
| Aviation | 5 |
| Bridge construction | 2 |
| Business | 1 |
| Chemistry | 5 |
| Computer networks | 1 |
| Computers | 1 |
| Electric machinery | 1 |
| Electronics | 4 |
| Engineering geology | 1 |
| General | 2 |
| Genetics | 4 |
| Metallurgy | 1 |
| Military | 1 |
| Name of organization | 1 |
| Oil / petroleum | 5 |
| Oil processing plants | 1 |
| Plastics | 10 |
| Polymers | 11 |
| Space | 4 |
| Technology | 20 |
| Textile industry | 3 |