单词	秋闰
释义	秋闰 qiū rùn閏七月。
随便看	power series approximation power series equalizer power series expansion power series expansion method power series input power-series input power series logarithm power series method power-series method power series of matrix Power series principle power series reduction method power series ring power series solution power-series solution power series solutions power-serieswise Armendariz ring power-serieswise McCoy ring Powerserve powerserver POWER server powerservers power service power services power servo