equivalence

n. /ɪˈkwɪv.əl.əns/ C1

等价；等同

The condition of being equal in value, amount, or meaning.

仙境例句

With a shell broken in two, the old Tortoise showed the equivalence of two halves and one whole.

老陆龟用一枚碎成两半的贝壳，说明两个一半和一个整体是等值的。