 |
| |||
| 中间封锁; 信息记录组〔区〕; 字组间隔; 字区 | |||
| 区组间; 批间 | |||
| 组间 | |||
| 信息记录组 | |||
| 块间 | |||
| interblock: 20 phrases in 12 subjects |
| Agriculture | 2 |
| Air defense | 1 |
| Business | 1 |
| Computers | 1 |
| Electronics | 4 |
| Geophysics | 1 |
| Information technology | 2 |
| Oil / petroleum | 1 |
| Space | 1 |
| Statistics | 3 |
| Technology | 2 |
| Telecommunications | 1 |