不定积分 bùdìngjīfēn indefinite integral Definitions Defs Origin Strokes Stroke Words Sentences Sents 不定 bùdìng adjective indefinite not fixed or certain; indeterminate; wandering or shifting; without a fixed result or settlement积分 積分 jīfēn noun integral (math) the result of a mathematical integration or the process of integration in calculus
