基本释义:

直射模制

网络释义

1)straight injection molding,直射模制

2)direct injective module,直内射模

3)direct-projective modules,直投射模

4)injective module/direct injective module,内射模/直内射模

5)Making Mould Directly,直接制模

6)(nearly) direct-injective module,(nearly)直内射模

用法和例句

It is proved that R is Artinian semisimple if and only if there exists a cardinal c , so that every left R module is the direct sum of a direct projective module and a c limted ES module; if and only if there exists a cardinal c , so that every left R module is the direct sum of a direct injective module and a c limted ES module.

证明了环Ｒ是Ａｒｔｉｎ半单的当且仅当存在一个基数ｃ，使得任意左Ｒ－模是一个直投射模和一个ｃ－限制的ＥＳ－模的直和，也当且仅当存在一个基数ｃ，使得任意左Ｒ－模是一个直内射模和一个ｃ－限制的ＥＳ－模的直