您要查找的是不是：
- L-fuzzy子环L-fuzzy Subrings
- 子midnight
- 环loop
- L-fuzzy子格L-fuzzy Sublattices
- 闭理想子环closed ideal minor ring
- 帖子post
- 戒子环ring
- 环比link relative ratio
- L-fuzzy子域L-fuzzy Subfield
- 圆环traffic circle
- 环的annular
- 亲子parent-offspring
- 环氧epoxy
- 贴子notice
- L-fuzzy子群L-fuzzy Subgroups
- 环氧乙烷epoxy ethane
- 滚子roller
- 环己hexanaphthene
- 外环outer ring
- 提子grape
