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
- homology exact sequence
- homology functor
- homology group
- homology group of a polyhedron
- homology group of a poset
- homology group of a simplicial complex
- homology group of simplicial complex
- homology homomorphism
- homology intersection
- homology manifold
- homology modeling
- homology modeling method
- homology module
- homology object
- homology of a bundle
- homology of a complex
- homology of a dynamical system
- homology of a Lie algebra
- homology of a Lie group
- homology of a polyhedron
- homology of a product
- homology of a ring
- homology of a space
- homology of a surface
- homology of CW-complex