 |
| |||
| 操作系统分时 | |||
| operating system time-sharing: 7 phrases in 6 subjects |
| Air defense | 1 |
| Computers | 1 |
| Electronics | 1 |
| Geophysics | 2 |
| Information technology | 1 |
| Telecommunications | 1 |
|
| |||
| 操作系统分时 | |||
| operating system time-sharing: 7 phrases in 6 subjects |
| Air defense | 1 |
| Computers | 1 |
| Electronics | 1 |
| Geophysics | 2 |
| Information technology | 1 |
| Telecommunications | 1 |