The calculation of contour integral has been widely used in the complex variable function and the integral transform ,and it is important to the subsequent course .In this paper ,the problems that we should pay attention in integral calculation and the computational method are summarized .Some complex problems are solved by Cauchy integral theorem .%围线积分的计算在复变函数与积分变换中被广泛使用 ,对后继课程的学习非常重要 .本文将积分计算中需注意的问题和计算方法详加总结 ,并应用柯西积分定理解决一些复杂问题 .
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