| 1. | The system executes simple harmonic motion .
此系统产生简谐运动。 |
| 2. | The balance wheel of a watch is a familiar example of angular harmonic motion .
钟表的摆轮是角谐运动的常例。 |
| 3. | The motion of the balance wheel of a watch is an example of angular harmonic motion .
钟表摆轮的运动就是角谐运动的一个实例。 |
| 4. | One instance of simple harmonic motion is that of the projection on any diametre of a point which describes a circular path with uniform angular velocity .
当一质点以匀角速度作圆周运动时，则它在任意直径上的投影的运动便是简谐运动的一例。 |
| 5. | Cosine acceleration or simple harmonic motion
余弦加速度运动 |
| 6. | Theoretical study on dynamic filtration with the membrane in simple harmonic motion
简谐运动膜分离的理论研究 |
| 7. | Angular harmonic motion
角谐运动 |
| 8. | Damped harmonic motion
阻尼谐动 |
| 9. | The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion
计算结果表明，零均值流量脉动流顺流向作用力诱发反对称角铺设层合板的时域响应近似于具有一定带宽的谐波运动，而这一带宽又是由一定周期运动形成的。 |
| 10. | Assuming the blades conduct a planar simple harmonic motion , the flows in vibrating cascades in the case of different oscillating amplitudes , different reduced frequencies and different torsional centers are computed respectively for two blade profiles . according to comparing flow calculations at different oscillation modes , the influence of the oscillation parameters " selection on aeroelastic performances of cascades is analyzed
假定叶片做平面简谐运动，针对两种叶型分别计算了不同振动幅度、折合频率及扭心位置时的振动叶栅流场，根据各种振型下流场计算结果的比较，分析了振动参数选取对叶栅气动弹性性能的影响。 |
