| |||
| 直角坐标系统 | |||
| 直角坐标系 | |||
|
rectangular coordinate system : 14 phrases in 6 subjects |
| Bridge construction | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mechanic engineering | 1 |
| Space | 1 |
| Surveying | 2 |
| Technology | 7 |
| |||
| 直角坐标系统 | |||
| 直角坐标系 | |||
|
rectangular coordinate system : 14 phrases in 6 subjects |
| Bridge construction | 2 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mechanic engineering | 1 |
| Space | 1 |
| Surveying | 2 |
| Technology | 7 |