| |||
| 码字; 代码符号〔征数〕 | |||
| 码组 | |||
| 电码字符 | |||
|
code character : 55 phrases in 13 subjects |
| Aviation | 1 |
| Business | 1 |
| Computers | 1 |
| Earth sciences | 1 |
| Economics | 1 |
| Electronics | 6 |
| Information technology | 24 |
| Librarianship | 5 |
| Multimedia | 1 |
| Oil / petroleum | 2 |
| Space | 3 |
| Technology | 5 |
| Telecommunications | 4 |