 |
| |||
| inter-record gap | |||
| interrecord gap | |||
| 记录间间隔: 23 phrases in 13 subjects |
| Agriculture | 1 |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 2 |
| Mathematics | 1 |
| Metallurgy | 1 |
| Multimedia | 1 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 6 |