 |
| |||
| 输入结构 | |||
| 投入结构 | |||
|
input structure : 12 phrases in 6 subjects |
| Business | 3 |
| Economy | 1 |
| Electronics | 2 |
| Information technology | 3 |
| Space | 1 |
| Textile industry | 2 |
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Add | The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">Report an error
| Get short URL | Language Selection Tips