常見(jiàn)例句雙語(yǔ)例句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.給出滿(mǎn)足主右理想極小條件詣零環(huán)的兩個(gè)充要條件,此類(lèi)環(huán)是擴(kuò)張閉的。 返回 nil ring