Laurent series
劳伦特级数
罗朗展开式
Laurent级数
罗朗级数
罗郎级数
罗兰级数
Laurent series expansion
principal part of laurent series
regular part of laurent series
A special class of power series
associated power series
coeffcients of power series
coefficient of z(superscript α) power series
convergent power series
descending power series
development in power series
discrete power series distribution
economization of power series