| |||
| раздел презентации (A labeled group of consecutive slides that helps the user navigate and organize presentations) | |||
|
presentation section : 1 phrase in 1 subject |
| Seismology | 1 |
| |||
| раздел презентации (A labeled group of consecutive slides that helps the user navigate and organize presentations) | |||
|
presentation section : 1 phrase in 1 subject |
| Seismology | 1 |