Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/d8f2203d0b663ff7225de1ad402386aa.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 nil ring例句_nil ring英汉例句_nil ring双解例句_欧米惠必应词典
This peper gives two necessary and sufficient conditions for a ring to be a nil MHR-ring. It is obtained that any nil MHR-ring is extension closed. 给出满足主右理想极小条件诣零环的两个充要条件，此类环是扩张闭的。