函数极限保号性质及其应用

Nature and Application of Sign-preserving Theorem of Function Limit

函数极限的保号性质在结合导数和积分研究函数的其他性质方面有着广泛的应用,在应用中揭示了函数极限保号性的本质。

Sign-preserving theorem of function limit which combines function differential with integral has extensive application in researching other function natures. The nature of sign-preserving theorem of function limit is revealed in its application.