| |||
| M 与M成直角; M 与M垂直 | |||
| 和…垂直 (正交，成直角) | |||
| |||
| 与…成直角 | |||
| |||
| 与.... 垂直 | |||
|
at right angles to : 6 phrases in 4 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Foreign trade | 3 |
| Mining | 1 |
| Technology | 1 |
| |||
| M 与M成直角; M 与M垂直 | |||
| 和…垂直 (正交，成直角) | |||
| |||
| 与…成直角 | |||
| |||
| 与.... 垂直 | |||
|
at right angles to : 6 phrases in 4 subjects |
| Explosives and Explosive Ordnance Disposal | 1 |
| Foreign trade | 3 |
| Mining | 1 |
| Technology | 1 |