从一道题目的解决看格林公式的使用

On the Use of Green's Formula from the Solution to One Exercise

通过一道对坐标的曲线积分题目的讨论和验证,给出格林公式在使用时曲线积分闭合路径的构建技巧。

Through the discussion and verification of a coordinate curve integral exercise, the skills for constructing the closing route of curve integrate with Green＇s formula.