| |||
quarter | |||
both perpendicular; mutual perpendicular (的); orthogonalization | |||
orthogonality | |||
| |||
quarter |
相 互 垂直 : 13 phrases in 6 subjects |
Bridge construction | 3 |
Engineering geology | 1 |
Explosives and Explosive Ordnance Disposal | 1 |
General | 3 |
Oil / petroleum | 2 |
Technology | 3 |