二阶 èrjiē second-order Definitions Defs Origin Strokes Stroke Words Sentences Sents 二阶 (二階) èrjiē second-order second order or quadratic (referring to the degree or order in mathematics) Sources Definitions CC-CEDICT
二阶 (二階) èrjiē second-order second order or quadratic (referring to the degree or order in mathematics) Sources Definitions CC-CEDICT
