 |
| |||
| 波速张角 | |||
| 束锥角; 射线束夹角 | |||
| 散射波束锥形角 (of scattering) | |||
| 射束孔径角 | |||
| 波束角 | |||
| 光束孔径角; 光束角; 波束宽度 | |||
| 射束角 | |||
| beam angle: 70 phrases in 13 subjects |
| Air defense | 5 |
| Aviation | 2 |
| Chemistry | 1 |
| Construction | 3 |
| Drilling | 1 |
| Electronics | 3 |
| Geophysics | 1 |
| Metallurgy | 4 |
| Oil / petroleum | 5 |
| Shipbuilding | 1 |
| Space | 14 |
| Technology | 29 |
| Wind Energy | 1 |