He found that it took a tenth of a second for a signal to travel down the nerve to the muscle.

他发现一个信号从神经传递到肌肉需要十分之一秒。

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He found that it took a tenth of a second for a signal to travel down the nerve to the muscle.

他发现一个信号从神经传递到肌肉需要十分之一秒。

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