 |
| |||
| telescope of short focal length | |||
| short-focus telescope | |||
| short-focal length telescope | |||
| короткофокусный телескоп: 3 phrases in 2 subjects |
| Physics | 2 |
| Technology | 1 |
|
| |||
| telescope of short focal length | |||
| short-focus telescope | |||
| short-focal length telescope | |||
| короткофокусный телескоп: 3 phrases in 2 subjects |
| Physics | 2 |
| Technology | 1 |