关于Directly—Riemann积分的进一步属性

The further properties on Directly-Riemann integral

在Directly—Riemann积分条件下 ,给出了积分绝对连续性以及连续函数逼近性等几个重要的积分性质。

Under the condition of Directly-Riemann integral,such important integral properties as absolute continuity of an integral and continuous function pressty are put forward.