| |||
| 回叫信号 | |||
|
callback : 16 phrases in 8 subjects |
| Computer networks | 4 |
| Electronic commerce | 1 |
| Electronics | 2 |
| Information technology | 4 |
| Project management | 1 |
| Securities | 1 |
| Technology | 2 |
| Telecommunications | 1 |
| |||
| 回叫信号 | |||
|
callback : 16 phrases in 8 subjects |
| Computer networks | 4 |
| Electronic commerce | 1 |
| Electronics | 2 |
| Information technology | 4 |
| Project management | 1 |
| Securities | 1 |
| Technology | 2 |
| Telecommunications | 1 |