n=1,l=0 %=0 n=2,l=1 m=0 m,=士1 n=3,1=2 m=0 m,=±1 m=士2 江觉不返回退成 上页 下页 返回 退出 n = 1, l = 0 n = 2, l = 1 n = 3, l = 2 ml = 0 ml = 0 ml = 0 ml =±1 ml =±1 ml =±2