零对象 meaning in English

null object

A zeroed object of the specified type
指定类型的归零对象。
When there is nozero object in category , the generalized inverse of morphisms are studied through the equa - alizer , the necessary and sufficient conditions for generalized inverse is obtained , and the relation between the linear equation and the equalizer is presented in matrix category
当范畴不具有零对象时，以态射偶的等化子为工具讨论态射的广义逆，并在矩阵范畴中建立了齐次线性方程组的解与等化子的关系。