部分積分

ぶぶんせきぶん

noun

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integration by parts, partial integration(mathematics)

部	section, bureau, dept, class, copy, part, portion, counter for copies of a newspaper or magazine
分	part, minute of time, segment, share, degree, one's lot, duty, understand, know, rate, 1%, chances, shaku/100
積	volume, product (x*y), acreage, contents, pile up, stack, load, amass