The interval topology is coarser than the open interval topology.
区间拓扑比开区间拓扑粗；
This paper gives a general method of how to solve the maximum and minimum of the continuous derivatived functions in open interval by a detailed analysis.
本文通过对开区间内连续可导函数的详细分析讨论，给出了一种求开区间上连续可导函数最 大值和最小值的普遍方法。
Based on the integral inequality and other quality proved, the paper discusses the conclusion of the mid-value in theorem of integration mean which is got in open interval.
在证明了定积分不等式等性质的基础上，给出并证明了积分中值定理的中值在开区间内取得的结论。
Based on the integral inequality and other quality proved, the paper discusses the conclusion of the mid-value in theorem of integration mean which is got in open interval.
在证明了定积分不等式等性质的基础上，给出并证明了积分中值定理的中值在开区间内取得的结论。
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