| |||
| 主动振动 | |||
|
active vibration : 17 phrases in 9 subjects |
| Aviation | 4 |
| Electronics | 4 |
| Engineering geology | 1 |
| General | 1 |
| Geophysics | 1 |
| Mechanic engineering | 1 |
| Nautical | 1 |
| Space | 3 |
| Technology | 1 |
| |||
| 主动振动 | |||
|
active vibration : 17 phrases in 9 subjects |
| Aviation | 4 |
| Electronics | 4 |
| Engineering geology | 1 |
| General | 1 |
| Geophysics | 1 |
| Mechanic engineering | 1 |
| Nautical | 1 |
| Space | 3 |
| Technology | 1 |