So it is important to study school-based teaching research system under the new curriculum background.

因此，在新课程背景下，研究校本教研制度尤为重要。

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The third part: Under new curriculum background high school calculus teaching strategy and experimental study.

第三部分，新课程背景下高中微积分教学策略及其实验研究。

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Then under the background of the new curriculum, how can the explanation achieve the optimization to adapt classroom instruction during the new periods?

在新课程背景下应该让讲解功能达到最优化，适应新时期的课堂教学。

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