| |||
achromat | |||
achromatic lens; colour-corrected lens | |||
achromate | |||
color corrected lens; colour corrected lens | |||
| |||
achromat |
消色差透镜 : 20 phrases in 8 subjects |
Agriculture | 3 |
Astronomy | 1 |
General | 3 |
Metallurgy | 1 |
Oil / petroleum | 1 |
Remote sensing | 1 |
Technology | 8 |
Telecommunications | 2 |