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
- product value flow
- product variety
- product wavefunction
- product σ-algebra
- pro E
- pro-E
- proecdysis
- Proelium Pontis Milvii
- proembryo
- proembryonal cell
- proembryonal tube
- pro-environmental behavior
- proenzyme
- proenzyme; zymogen
- proerythroblast
- proestrus
- profane space
- Professional Abilities of Librarian
- Professional Accreditation of Conservator-Restorers
- professional agriculture books on different crops
- professional and technical position in museum
- professional and technical talent
- professional APC
- professional archives
- Professional arts education