变分学 biànfēnxué calculus of variations Definitions Defs Origin Strokes Stroke Words Sentences Sents 变分 變分 biànfēn variation a change in the form of a function, used in the calculus of variations; deformation学 學 xué nounaffix branch of learning (bound form) a subject or branch of study; often used as a suffix for -logy, -ics, or -science
