短語詞組短語finite series -expansion 有限級數(shù)展開cardinal series expansion 主級數(shù)展開Laurent series expansion 羅朗級數(shù)展開functional series expansion method 函數(shù)級數(shù)法taylor series expansion technique taylor 級數(shù)展開技術(shù)fourier series expansion method 傅立葉級數(shù)展開法a series expansion 函數(shù)的級數(shù)展開taylor series expansion algorithm 中泰勒級數(shù)展開法series means of expansion 系統(tǒng)展開法 返回 series expansion