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Rolle's theorem AHD[rôlz, rōlz] D.J.[rɔːlz, rəʊlz]K.K.[rɔlz, rolz]n.Mathematics（名词）【数学】- A theorem stating that if a curve is continuous, has two x-intercepts, and has a tangent at every point between the intercepts, at least one of these tangents is parallel to the x-axis.罗尔定理，第一中值定理：如果一条连续的曲线在X轴上有两个切点且在切点之间的每一点都有一条切线，那么这些切线中至少有一条与X轴平行
- After Michel Rolle (1652-1719), French mathematician 源自麦克 罗尔 (1652-1719年），法国数学家
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