meanv.意思是；打算；导致；意味adj.低劣的；刻薄的；卑鄙的；出色的；吝啬的；平均的；中等的n.平均值；平均数；中间；中庸meandroidadj.弯弯曲曲的

1. Rolle's theorem is a special case of the mean value theorem.
   罗尔定理是中值定理的一种特殊形式。
2. Based on the Rolle mid-value theorem, by using determinant method, the Lagrange mid-value theorem and Cauchy mid-value theorem are obtained, and some new results are discovered.
   本文从罗尔中值定理出发，这用行列式理论，不仅证明了拉格朗日中值定理和柯西中值定理，还发现了一些新的结论。