管理学 防火墙技术 释 firewall 防火墙技术 位于两个信任程度不同的网络之间（如企业内部网络和Internet之间）的软件或硬件设备的组合，对两个网络之间的通信进行控制，通过强制实施统一的安全策略，防止对重要信息资源的非法存取和访问以达到保护系统安全的目的。
网络与数据通信 网络管理与安全 释文 firewall 防火墙
- residue classes modulo an ideal
- residue class field
- residue class group
- residue class mapping
- residue class module
- residue class modulo m
- residue class ring
- residue class space
- residue current
- residue degree
- residue design
- residue field
- residue field of a valuation
- residue form
- residue formula
- residue gasification
- residue mod p
- residue of an analytic differential
- residue of an analytic function
- residue of an integer modulo m
- residue of a pole
- residue of degree n modulo m
- residue of k-th degree
- residue of kth degree
- residue of order n