zài / shù xué / zhōng / tóng gòu / yìng shè / bǎo chí / le / dài shù / xì tǒng / de / yùn suàn / xìng zhì在数学中,同构映射保持了代数系统的运算性质。In mathematics, an isomorphic mapping preserves the operational properties of algebraic systems.