刻划了一类含左零因子的代数的结构，解决了己有文献提出的问题。
The structures of a kind of algebras which contain left zero-divisors are characterized, and the problem advanced in Wu Pinshan's work ls solved.
主要讨论对左（右）理想满足半极大条件的环与对零因子满足极大条件的环的性质。
In this pater , the proterties of the rings that satisfs the semi-maximum condition for left (right) ideal and maximum condition for zero-factor are discussed.
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