您要查找的是不是：
- 环Zn residue class ring Zn
- 环Zn上圆锥曲线 Conic curve over Z.
- 环 loop
- 网络中基于环Zn上椭圆曲线和RSA的密钥管理 Key management based on elliptic curves over the ring Zn and RSA in ad hoc networks
- 环Zn上的圆锥曲线 conic curve over Z.
- 环Zn上圆锥曲线的盲签名在电子现金中的应用 Applications of conic curves blind signature over Zn in E-cash
- 环Zn上广义圆锥曲线和公钥密码体系 The generalized conic curves over Zn and Public-Key cryptosystem
- 环比 link relative ratio
- 圆环 traffic circle
- 环的 annular
- 环氧 epoxy
- 环氧乙烷 epoxy ethane
- 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
