 |
| |||
| ★ 多媒体数据库 | |||
|
multimedia database : 12 phrases in 4 subjects |
| Aviation | 1 |
| Electronics | 4 |
| Information technology | 6 |
| Technology | 1 |
|
| |||
| ★ 多媒体数据库 | |||
|
multimedia database : 12 phrases in 4 subjects |
| Aviation | 1 |
| Electronics | 4 |
| Information technology | 6 |
| Technology | 1 |