1) hereditary torsion class
遗传扭模类
1.
We gave the coditions that Gen(R~P) is closed under submodules and extension to be a hereditary torsion class, when R~P is an arbitrary module.
本文去掉*-模条件的限制，研究了Gen(R~P)成为一个取子模封闭和扩张封闭的范畴(即成为遗传扭模类)，模R~P需满足的条件与具有的相关性质。
2) hereditary pretorsion class
遗传预扭模类
3) hereditary torsion theory
遗传扭对
4) hereditary torsion theory
遗传扭论
1.
T hereditary ring and F hereditary ring are defined and investigated in a fived hereditary torsion theory.
在遗传扭论（ Ｔ， Ｆ） 中定义并刻划了 Ｔ 遗传环与 Ｆ 遗传
补充资料：藓类二色扭叶藓(Trachypus bicolor)
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