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mid·point AHD[mĭdʹpoint'] D.J.[ˈmɪdˌpɔɪnt]K.K.[ˈmɪdˌpɔɪnt]n.（名词）- Mathematics The point of a line segment or curvilinear arc that divides it into two parts of the same length.【数学】 中点：一条线段或一段弧上的一点，该点将此线段或弧平分为等长的两部分
- A position midway between two extremes.一半：两端中间的位置
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