| |||
| umbral de contraste; umbral de contraste de luminancia | |||
| umbral diferencial | |||
|
contrast threshold : 5 phrases in 3 subjects |
| Earth sciences | 1 |
| Health care | 3 |
| Lighting other than cinema | 1 |
| |||
| umbral de contraste; umbral de contraste de luminancia | |||
| umbral diferencial | |||
|
contrast threshold : 5 phrases in 3 subjects |
| Earth sciences | 1 |
| Health care | 3 |
| Lighting other than cinema | 1 |