 |
| |||
| frequency & utilization | |||
| 频率 使 用: 22 phrases in 13 subjects |
| Air defense | 2 |
| Aviation | 1 |
| Business | 1 |
| Construction | 2 |
| Electronics | 3 |
| Geophysics | 3 |
| Information technology | 1 |
| Librarianship | 1 |
| Metallurgy | 1 |
| Project management | 1 |
| Technology | 3 |
| Telecommunications | 2 |
| United Nations | 1 |
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