中文摘要：

讨论了曲面积分中的奇偶对称性和轮换对称性问题，并通过具体例子说明了对称性在曲面积分计算中的作用．

英文摘要：

The relavant problems of parity symmetry and rotation symmetry appeared in surface integral axe discussed. Some examples, given in this paper, show that the symmetry plays a role in the calculation of surface integral.