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。
2
Once the needle is safely positioned, there is a second injection into the nerve root where it exits the foramen, a side opening where two vertebrae meet.
当穿刺针安全插到位后，在神经根离开椎间孔的部位，即两个椎体相连接处侧面的开口处进行二次注射。 。
3
The functions of the first and second signal system are found connected when basketball specialty experience forms in the nerve structure of brain cortex.