Based on people's body is a conductor, supply people's body with bioelectricity n. Then can make the venation smooth in a short time, during this period of time, there will be no pain in one's body.
基于人的身体是一个导体，供应人的身体与生物电注然后可以顺利的脉络在很短的时间，在这段时间里，将不会有疼痛的身体。
In practical use, an N-type and a P-type are created side by side in the same semi-conductor Crystal, forming a P-N junction.
在p型和n型半导体材料之间渡越区中的一个面，在这里施主杂质和受主杂质的浓度相等。
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