利用这种振动台可以可靠地校准压电式加速度计，其测量准确度可优于4%。
Using the little vibration shaker, the user can reliably calibrate the piezoelectrical accelerometers. Its accuracy can be better than 4%.
应用压电陶瓷振动台振动钻削装置，采用变进给量振动钻削法加工微小孔，并用工具显微镜对入钻定位误差和出口毛刺进行测量。
By applying apparatus for piezoelectric ceramic vibration drilling, the method of varying feed rates in vibration drilling is used to drill the micro-hole.
利用这种振动台能够可靠地校准压电加速度计，其准确度优于4%。
Using the little vibration shaker, the user can reliably calibrate the piezoelectrical accelerometers. It's accuracy can be better than 4%.
利用这种振动台能够可靠地校准压电加速度计，其准确度优于4%。
Using the little vibration shaker, the user can reliably calibrate the piezoelectrical accelerometers. It's accuracy can be better than 4%.
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