I've seen a handful of hubless concept bikes but the Synapse bike goes one further with integrated electric motors to assist the rider.
我以前见过一些无轮毂概念自行车，但是这款突触自行车更进了一步，它集成电机从而是一台电动自行车。
CONCLUSION: electric stimulation can induce the reconstruction of synapse, and the effect of bilateral electric stimulation is more significant.
结论：电刺激能够促进突触重建，双侧电刺激效果更加明显。
Synapse: Site of transmission of electric nerve impulses between two nerve cells or between a nerve cell and a gland or muscle cell.
突触：神经细胞之间或神经细胞和效应器细胞（如腺体细胞、肌肉细胞等）之间传导神经刺激的接点。
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