🌐中文EnglishDeutschFrançaisPolskiPortuguêsРусскийفارسی한국어中文日本語EntityQ1397439· pop 15· linked from 185 articles拉回Also known as fibered product, fibred product范畴论Article · 中文在数学分支范畴论中，拉回（也称为纤维积或笛卡尔方块）是由具有公共上域的两个态射f : X → Z与g : Y → Z组成的的极限。拉回经常写作Abstract from DBpedia / Wikipedia · CC BY-SAAvailable in 14 languagesFrançaisDeutsch中文日本語РусскийPortuguêsGreekHebrewNorwegianPolskiConnectionslimitEntitystrict 2-categoryEntityCategoriesLimits (category theory)