您要查找的是不是：
- 广义Hopf环generalized Hopfian ring
- 环loop
- 广义broad sense
- 环比link relative ratio
- 圆环traffic circle
- 广义的general
- 环的annular
- 环氧epoxy
- 广义相对论general theory of relativity
- 环氧乙烷epoxy ethane
- 拟三角Hopf代数上的辫子Doi-Hopf模的广义积分和Maschke型定理(英文)A Generalized Integrals and Maschke Type Theorem for Braided Doi-Hopf Modules over Quasitriangular Hopf Algebras
- 环己hexanaphthene
- 外环outer ring
- 环保护ring protection
- 手环wrist strap
- 环岛rotary island; roundabout
- 卡环snap ring
- 内环inner belt
- 磁环magnetic ring
- 套环lantern ring
