代数方程

algebraic equation / polynomial equation

to substitute / to act on behalf of others / to replace / generation / dynasty / age / period / (historical) era / (geological) eon

algebra

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

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

frequently / repeatedly

surname Fang

square / power or involution (math.) / upright / honest / fair and square / direction / side / party (to a contract, dispute etc) / place / method / prescription (medicine) / just when / only or just / classifier for square things / abbr. for square or cubic meter

mathematical equation

rule / order / regulations / formula / journey / procedure / sequence