 |
| |||
| 球面极坐标; 球极坐标 | |||
|
polar spherical coordinates : 5 phrases in 4 subjects |
| Chemistry | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 2 |
|
| |||
| 球面极坐标; 球极坐标 | |||
|
polar spherical coordinates : 5 phrases in 4 subjects |
| Chemistry | 1 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 2 |