组合数学

combinatorial mathematics / combinatorics

surname Zu

to form / to organize / group / team / classifier for sets, series, groups of people, batteries

to assemble / to combine / to compose / combination / association / set / compilation / (math.) combinatorial

100 ml / one-tenth of a peck / measure for dry grain equal to one-tenth of sheng 升 or liter, or one-hundredth dou 斗

to close / to join / to fit / to be equal to / whole / together / round (in battle) / conjunction (astronomy) / 1st note of pentatonic scale / old variant of 盒[he2]

variant of 合[he2]

composite number (i.e. not prime, has a factorization)

to count / to count as / to regard as / to enumerate (sb's shortcomings)

number / figure / several / CL:個|个[ge4]

frequently / repeatedly

mathematics / mathematical

to learn / to study / to imitate / science / -ology