In this paper we study the second order Edgeworth expansion of the distribution of the Hill estimator of the tail index by second order regular variation function.是什么意思_In this paper we study the second order Edgeworth expansion of the distribution of the Hill estimator of the tail index by second order regular variation function.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句