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- fixed frequency vibration 定频振动
- High frequency vibration generation transient heating. 高频振动产生瞬间加热。
- These models use a simulated input transducer that vibrates purely sinusoidally with a fixed frequency. 这些模型采用一个模拟输入探头，以完全正弦波的形式按固定频率振动。
- From now on,we will attempting to adopt more than one method,such as ferrograph analysis and low frequency vibration analysis,and the like. 今后设想用多种方法进行综合监测，在原有基础上再结合铁谱和振动等监测方法.
- In order to improve the passive type features of resonance and low frequency vibration, the active control scheme is applied. 为了改善被动式气压隔振支座的共振与低频之振动特性，研究中更加入了主动控制。
- With suitable controller design, the isolator has the functions which reduce the resonance amplitude and isolate low frequency vibration well. 利用适当的控制器设计，使其具有降低共振幅度且隔离低频振动的功能。
- According to the experimental results of absolute test and on-line test,the ultra low frequency vibration table is substituted with the SCM for FBA dynamic test. 通过对比力平衡加速度计的绝对测试和在线测试实验结果,证明自标定机构可以代替超低频标准振动台来进行力平衡加速度计的动态测试。
- Cropping mechanism is a key component for variant frequency vibration cropping,and its excited frequency directly affects manufacturing quality and production efficiency. 变频振动下料机构是变频振动系统的重要执行部件,其激振频率直接影响制造质量和生产效率。
- In order to restrain low frequency vibration of flexible manipulator, hysteretic damping of assembled flexible link is used to restrain the vibration of flexible manipulator. 摘要为抑制柔性机械臂的低频固有振动，该文提出利用组合结构滞迟阻尼效应来提高柔性机械臂的抑振性能。
- The HV9931 is a fixed frequency PWM controller designed to drive proprietary single-stage single-switch no-isolated topology,cascading an input power factor correction(PFC)buck-boost stage and an output buck converter power stage. HVV9931是一个设计用于驱动专利单级单开关非隔离拓扑,级联一个输入PFC降压-升压级和输出降压变换器级的固定频率PWM控制器。
- If you touch the string gently, it vibrates at a fixed rate ( in other words, at a fixed frequency), but the distance between the top and bottom of the area in which it vibrates is small. 如果你轻轻地拨动琴弦， 琴按照固定的频率来震动（换言之，其频率是固定的），但它从顶部到底部的震动区域的范围是小的。
- The tables are firmly fixed to the floor. 桌子都牢牢地固定在地板上。
- Mechanical loading provides an anabolic stimulus for bone.Low frequency vibration is a kind of mechanic stimulus, which can promote osteogenesis in certain frequency, mode and intensity. 应力是调节骨生长与重建的重要因素,低频振动是软科学刺激之一,具有良好的促进骨形成作用,其成骨效果受振动频率、方式、强度影响。
- The frequency spectral analyses show that the second ignition method could weaken and restrain the high frequency vibration, improve the characteristic of vibration in high loading density charge. 压力波的频谱分析表明在高装填密度装药中，采用第二种点传火方案能削弱和抑制压力波的高频振荡成分，改善其振动特性。
- Conclusion High frequency vibration can counteract the changes in expression of MHC in intrafusal and extrafusal fibers of rats soleus under muscles of rats in simulated weightlessness situation. 结论 高频正弦波振动尾部悬吊大鼠比目鱼肌梭内、外肌纤维MHC表型转化有明显的对抗作用。
- The man jacked up his car to fix a flat tire. 那人用千斤顶把他的汽车顶起以修理漏气的轮胎。
- I bought a run-down farm house and plan to fix it up. 我买了一间破败的农舍，打算整修整修。
- We needed someone to fix the tape recorder. 我们需要有人来修理录音机。
- I can fix up you with a used car. 我可以为你提拱一辆旧车。
- I tried to fix the date in my mind. 我试着把那个日期牢记在心。
