The indefinite integral is an antiderivative.

不定积分是反导数。

A new method is given which can solve the indefinite integral.

本文给出求不定积分的一种新方法。

The indefinite integral calculation is one important sector in calculus.

在大一的数学教学中，不定积分既是一个重点也是一个难点。

It is very difficult to solve the indefinite integral with general method.

用常规方法求解不定积分问题是相当困难的。

This paper deals with indefinite integral equations with jumping nonlinearities.

讨论具有跳跃非线性项的非正定核积分方程。