下图表示人的反射弧模式图�表示脊髓的神经中枢箭头表示受到刺激产生兴奋的传导方�下列叙述正确的是 A.兴奋在�上传导时其膜外电流方�同 Template




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tomski下图表示人的反射弧模式图�表示脊髓的神经中枢箭头表示受到刺激产生兴奋的传导方�下列叙述正确的是 a.兴奋在�上传导时其膜外电流方�同 coloring