| |||
optical reader; optical scanner | |||
optic reader |
光 阅读器 : 43 phrases in 11 subjects |
Air defense | 1 |
Automobiles | 2 |
Computers | 2 |
Electronics | 6 |
General | 2 |
Librarianship | 1 |
Metallurgy | 3 |
Oil / petroleum | 2 |
Space | 4 |
Technology | 16 |
Telecommunications | 4 |