 |
| |||
| 球形波 | |||
| 球面波波前为同心球面的波，是由点源产生的。球面波的波前应力以距波源的距离成反比的速率衰减 | |||
| ★ 球面波 | |||
| 球状波 | |||
|
spherical wave : 20 phrases in 8 subjects |
| Air defense | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mathematics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Physics | 2 |
| Technology | 12 |
|
| |||
| 球形波 | |||
| 球面波波前为同心球面的波，是由点源产生的。球面波的波前应力以距波源的距离成反比的速率衰减 | |||
| ★ 球面波 | |||
| 球状波 | |||
|
spherical wave : 20 phrases in 8 subjects |
| Air defense | 1 |
| Electronics | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| Mathematics | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Physics | 2 |
| Technology | 12 |