| |||
| 偏光滤色片 | |||
| 极化滤波器 | |||
| 偏振滤光器; 偏振镜 | |||
|
polarization filter : 6 phrases in 4 subjects |
| Air defense | 1 |
| Electronics | 1 |
| Space | 3 |
| Technology | 1 |
| |||
| 偏光滤色片 | |||
| 极化滤波器 | |||
| 偏振滤光器; 偏振镜 | |||
|
polarization filter : 6 phrases in 4 subjects |
| Air defense | 1 |
| Electronics | 1 |
| Space | 3 |
| Technology | 1 |