利用对称性、奇偶性计算二重积分

Calculation of Double Integrals by Symmetry and Parity

利用区域对称性,给出二重积分的特殊计算方法,并通过例题对这四种情形加以进一步的说明,结果表明,该方法简单方便。

By regional symmetry, the special calculation method of double integral is introduced. Four cases are further clarified by means of examples. The results show that the method is simple and easy