知识贝壳
知识贝壳
所属栏目：英汉双解生物化学
The transitory change inelectrical potential that occurs across themembrane of a nerve or muscle fiber duringthe passage of a nervous impulse. The de-gree of change is independent of thestrength of the impulse;it either occurs ordoes not. In the absence o ......（本文共 1096 字 ） [阅读本文] >>