| |||
| 读码机 | |||
| 标记读出器 | |||
| 符号读出器 | |||
|
mark reader : 34 phrases in 14 subjects |
| Automobiles | 2 |
| Business | 2 |
| Chemistry | 1 |
| Computers | 1 |
| Electronic commerce | 1 |
| Electronics | 6 |
| General | 1 |
| Librarianship | 1 |
| Logistics | 1 |
| Mathematics | 1 |
| Power electronics | 1 |
| Space | 2 |
| Technology | 11 |
| Telecommunications | 3 |