r,h=[float(x) for x in input()输入圆柱体的半径r,h:').split()] pai=3.142 S1=2*pai*r*r S2=2*pai*r*h S=S1 S2 print(S) print(format(S,'.3f'))
标签: 圆柱形对射激光传感器m12im8圆柱型接近传感器