On the basis of these theories, Rolle mean value theorem, Lagrange mean value theorem and Cauchy mean value theorem are proved by constructing nested interval.
在此基础上通过构造区间套依次证明了罗尔中值定理、拉格朗日中值定理和柯西中值定理。
2
There is relationship between the accuracy of rolle base face and its outer diameter surface. Inexorable law between they two was discussed, and relative formulas were given.
圆锥滚子基面与其外径表面的精度之间存在着联系，探讨了两者间必然规律，给出了公式。
3
The author generalizes the theorem of Rolle in the calculus from closed interval to semi-infinite interval and infinite interval , which is useful for students to understand theorem of Rolle better.