研究者在对患者的上肢和下肢做触觉试验时扫描了大脑，试验是用两个振动的碟对双侧肢体同时进行一定频率和强度的刺激。
Researchers scanned their brains while doing touch-tests on their arms and feet, using two vibrating discs to stimulate both sides of the body while controlling for frequency and vibration.
提出了一种测量既有桥墩自振频率的新方法，即冲击振动试验法(IVTM)。
An impact vibration test method (IVTM) for measuring natural frequencies of existing piers is proposed in this paper.
通过对试验结果的观察分析，确定了较为理想的振动频率控制曲线。
Through the analysis of experimental results, the ideal vibration frequency curve was determined.
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