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.

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在其他方面取得进展的工程技术人员正在设计和试验新型金属手臂和手指，使机器人具有触觉。

Engineers working on other advances are designing and experimenting with new types of metal hands and fingers, giving robots a sense of touch.

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医生已经在试验运用触觉信号来提高伤口愈合及再生的方法。

And doctors are already experimenting with ways of using tactile cues to improve wound healing and regeneration.

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