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
- Contrafactum
- contraflexure
- contra-flow
- contragradience
- contragradient
- contragradient automorphism
- contragradient composition
- contragradient isomorphism
- contragradient linear transformation
- contragradient mapping
- contragradient matrix
- contragradient module
- contragradient representation
- contragradient set
- contragradient transformation
- contragredient
- contragredient automorphism
- contraharmonic mean
- contraindicated during pregnancy
- contraindicated in diet
- contraindication of Chinese medicinal use
- contraindication of pattern
- contralto
- contranatant
- contraorbital