围着中心的“山丘”现在只有一米高了而且迅速收缩，同时那些同心圆环轻轻拉回房间的地面。
The "hill" around the center was only a meter tall now and shrinking rapidly as the concentric rings eased back to the floor of the room.
以神经束内电极作刺激电极可见该侧腓肠肌处肌肉出现收缩，同心针电极可以记录到肌电信号。
Then threaded concentric pin electrode into gastrocnemius with intrafascicular electrode as stimulating electrode, the signal was recorded.
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