 |
| |||
| модуляция пространственной частоты | |||
|
spatial frequency modulation : 2 phrases in 2 subjects |
| Aviation | 1 |
| Optics branch of physics | 1 |
|
| |||
| модуляция пространственной частоты | |||
|
spatial frequency modulation : 2 phrases in 2 subjects |
| Aviation | 1 |
| Optics branch of physics | 1 |