对照电子商务和数字证书认证机构的理论分析，以重庆市数字证书认证中心有限公司为案例进行了全面细致的分析和研究。

According to the theories of EC and Certification Authority, this article has do a total accord analyses and studies to the ChongQing Certification Authority Company.

youdao

杨帆：（1981- ），男，籍贯安徽，重庆邮电大学通信与信息系统专业硕士研究生，研究方向：个人通信，数字电视。

Yang Fan: (1981- ), male, Chongqing, the postgraduate of Chongqing University of Post and Telecommunications, engaged in personal communications research, digital TV.

youdao

重点介绍了建设中的重庆市数字信息资源和服务体系(CDISS)。

A research project is also introduced, which aims to establish the Chongqing Digital Information and Service System (CDISS).

youdao