| |||
| 环形［闭环］曲线 | |||
| 环形率定曲线; 闭合曲线 | |||
|
loop curve : 9 do fraz, 3 tematyki |
| Geologia inżynierska | 1 |
| Hydrologia | 1 |
| Technika i technologia | 7 |
| |||
| 环形［闭环］曲线 | |||
| 环形率定曲线; 闭合曲线 | |||
|
loop curve : 9 do fraz, 3 tematyki |
| Geologia inżynierska | 1 |
| Hydrologia | 1 |
| Technika i technologia | 7 |