| |||
| 文件扩展名 | |||
|
file extension : 8 phrases in 5 subjects |
| Electronic commerce | 1 |
| Electronics | 2 |
| Information technology | 1 |
| Space | 1 |
| Telecommunications | 3 |
| |||
| 文件扩展名 | |||
|
file extension : 8 phrases in 5 subjects |
| Electronic commerce | 1 |
| Electronics | 2 |
| Information technology | 1 |
| Space | 1 |
| Telecommunications | 3 |