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
- historical epidemiology of COVID-19
- historical epistemology
- historical ethnic geography
- historical evaluation
- Historical Evaluations and Judgments
- historical events
- Historical Events in Their Entirety: A Rearrangement of Zizhi Tongjian
- Historical Events in Their Entirety,block-printed edition by Yanlingjunzhai,second year of Chunxi era,Song Dynasty
- historical evidence
- historical evolutionism
- Historical Excerpts
- historical exhibition
- historical explanation
- historical facts
- historical fatalism
- Historical figures of water science and technology in China
- historical f ilm
- historical geographical names
- historical geography
- historical geography information system
- historical geomorphology
- historical idealism
- historical indeterminism
- historical institutionalism
- historical instruments