文学 数字证书 释 digital certificate 数字证书 经证书授权中心（Certification Authority，CA）数字签名的包含公开密钥拥有者信息以及公开密钥的电子文档。CA是权威、可信赖、公正的第三方机构，专门负责为各种认证需求提供数字证书服务。
计算机应用 基于网络的信息服务 释文 digital certificate 数字证书
- axiom of the sum set
- axiom of union
- axiom of unordered pair
- axiom schema
- axiom schema of replacement
- axiom schema of separation
- axioms for cohomology
- axioms for generalized cohomology
- axioms for generalized homology
- axioms for homology
- axioms of countability
- axioms of statics
- axiom system
- axion
- axiotron
- AXIS
- axis
- axis adjustment of hydro-generator unit
- axis age
- axis diameter measurement
- axis distribution figure
- axis of aberration
- axis of abscissas
- axis of absolute convergence
- axis of a conic