1) direct product of F-cover
F-复盖的直积
1.
In this paper,we give both a sufficient condition and an equivalent condition under which a direct product of F-covers is also an F-cover.
本文主要给出F-复盖的直积还是一个F-复盖的充分条件和充要条件。
2) special F-precover
特殊的F-预复盖
1.
In this paper,we mainly discuss special F-precover and F-preenvelope on short exact sequence.
本文主要讨论短正合列上特殊的F-预复盖与F-预包络。
3) F-precover
F-预复盖
1.
In this paper,we mainly discuss special F-precover and F-preenvelope on short exact sequence.
本文主要讨论短正合列上特殊的F-预复盖与F-预包络。
4) F-cover
F-复盖
1.
In this paper,we give both a sufficient condition and an equivalent condition under which a direct product of F-covers is also an F-cover.
本文主要给出F-复盖的直积还是一个F-复盖的充分条件和充要条件。
5) covering line
复盖直线
6) F-cover with the unique mapping property
具有唯一映射性质的F-复盖
补充资料：直盖
1.长柄伞盖。古代官员出行仪仗之一。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条