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单词	Rolle's theorem
释义	Rolle's theorem noun ˈrȯlz-  ˈrōlz- : a theorem in mathematics: if a curve is continuous, crosses the x-axis at two points, and has a tangent at every point between the two intercepts, its tangent is parallel to the x-axis at some point between the intercepts Word History Etymology Michel Rolle †1719 French mathematician First Known Use 1858, in the meaning defined above
随便看	the pit of one's/the stomach the pit of the stomach the pits the place to be the Pledge of Allegiance the plot thickens the Plough the pokey the Pole Star the pole vault the Polish the polls the poor the populace the Portuguese the possessive the Post Office the Postal Service the pot the potty the pound the poverty line the power behind the throne the powers that be the present

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