This paper sums up the common character of the concept of many integrals, abstracts the concept of Riemann integral and gives the integral conditions of the Riemann integral.

分析了诸多积分概念的共性，抽象出黎曼积分的定义，给出了黎曼可积的条件。

youdao

This paper sums up the common character of the concept of many integrals, abstracts the concept of Riemann integral and gives the integral conditions of the Riemann integral.

分析了诸多积分概念的共性，抽象出黎曼积分的定义，给出了黎曼可积的条件。

youdao