光学符号 | |
tech. | optic designation; optical designation |
识别 | |
gen. | identify; recognition |
met. | cognition |
sociol. | discrimination |
space | diagnosis; distinguish; identity; classification discrimination identification |
| |||
optic designation; optical designation |
光学符号 : 17 phrases in 8 subjects |
Aviation | 2 |
Business | 1 |
Earth sciences | 1 |
Electronics | 2 |
General | 1 |
Space | 2 |
Technology | 7 |
Telecommunications | 1 |