Finally a confor-mal invariability of norm integrate of the second fundamental form was obtained by using the Conformal invariability of the total mean curvature of the surface in E3 and the Gauss Bonnet theorem.

• 最后利用E~3中曲面的全中曲率的共形不变性以及Gauss Bonnet定理,得到了第二基本形式模方积分的共形不变性。