 |
| 穿孔 卡: 183 phrases in 20 subjects |
| Advertising | 1 |
| Agriculture | 2 |
| Architecture | 1 |
| Aviation | 7 |
| Business | 10 |
| Computers | 5 |
| Corporate governance | 1 |
| Earth sciences | 3 |
| Economy | 2 |
| Electronics | 10 |
| General | 8 |
| Information technology | 3 |
| Mathematics | 16 |
| Metallurgy | 13 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Space | 4 |
| Technology | 90 |
| Telecommunications | 3 |
| Textile industry | 2 |