| 1. | Certain modes of vibration may be suppressed while others may be enhanced .
某些振型可能减弱，而另一些则可能加强。 |
| 2. | The dynamics of the feed system are also an integral part of feed system coupled modes .
供应系统动力特性也是供应系统耦合振型的主要部分。 |
| 3. | The higher modes have shorter periods than the fundamental mode and, moreover, they have higher velocities .
高振型波比基阶振型波周期短，波速高。 |
| 4. | The combustor resonance properties are portrayed by instability zones, one zone for each acoustic mode .
燃烧室的共振特性用不稳定区表示，每种声振型都有一个这样的区域。 |
| 5. | symmetrical modes were excited by operating the machines in phase and asymmetrical modes, by operating the machines 180°out of phase.
机器以同相运转激起对称振型，机器以180的相位差运转激起非对称振型。 |
| 6. | Structure damage detection based on mode shape
基于模态振型的结构损伤识别 |
| 7. | Optimization of structure eigenvector by beso method
利用双向渐进结构优化法对结构固有振型的优化 |
| 8. | Buoyancy instability ; neutral curve ; vortex wave ; eigenmode
浮力不稳定性中性曲线涡量波特征振型 |
| 9. | Equivalent n - th modal unbalance
阶振型等效不平衡谐量 |
| 10. | Fundamental natural mode of vibration
基本固有振型 |
