The interval topology is coarser than the open interval topology.

区间拓扑比开区间拓扑粗；

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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。

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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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The game was more open up after the interval and Samba might have done better when John Arne Riise failed to clear, but the Blackburn defender delayed his shot.

BBC: CHOOSE A SPORT

Both teams continued to play open rugby after the interval and the Dragons wrested the lead from their opponents thanks to second-row Olivier Elima who ran over five minutes after the restart.

BBC: Catalans 45-38 Wigan

After a 23-year interval, the German government has funded the reopening of Jenin's open-air cinema on the slopes below the refugee camp.

ECONOMIST: Palestinians and the talks