交換代數

(math.) commutative algebra

to hand over / to deliver / to pay (money) / to turn over / to make friends / to intersect (lines) / variant of 跤[jiao1]

to exchange / to swap / to switch (telecom) / commutative (math) / to commute

to exchange / to change (clothes etc) / to substitute / to switch / to convert (currency)

to transition to a new dynasty or regime / to replace an older product with an upgraded, new-generation one

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

(math.) commutative algebra