 |
| |||
| entrance angle | |||
| cut-off sector (маяка); cutoff sector (маяка); arc of lighting (маяка) | |||
| illumination angle (I. Havkin) | |||
| угол освещения: 6 phrases in 2 subjects |
| Makarov | 1 |
| Mass media | 5 |
|
| |||
| entrance angle | |||
| cut-off sector (маяка); cutoff sector (маяка); arc of lighting (маяка) | |||
| illumination angle (I. Havkin) | |||
| угол освещения: 6 phrases in 2 subjects |
| Makarov | 1 |
| Mass media | 5 |