A.慢反應(yīng)自律細(xì)胞 B.慢反應(yīng)非自律細(xì)胞 C.快反應(yīng)自律細(xì)胞 D.快反應(yīng)非自律細(xì)胞 E.P細(xì)胞
A.0相 B.1相 C.2相 D.3相 E.4相