Safe medium is way and road to process problem. The article explain a process to sending and receiving a letter by digital ID of E-mail, mentions that CA center can assume duty of the safe medium.
安全中介是解决这一问题的方法和途径，本文以电子邮件数字证书为例，讲述发送接收加密信件的过程，说明CA中心可以担当安全中介的重任。
Digital identity certification (ca certification) is important to prevent E-commercial risk.
数字身份认证(CA认证)是防范电子商务风险的重要方法。
The first generation of CA was set up by SETCO based on SET protocols, serving the B2C e-commerce hierarchy.
第一代CA由SETCO公司建立，以SET协议为基础，服务于B2C电子商务模式的层次性结构。
N&E has demanded a court order to compel 51. CA to execute the share exchange in the agreement.
要求法庭下令，要求加国无忧完成股票交换协定。
Hopefully: in the near future: scientists ca free provide firm evidence for or on the subject off the cltargeted asecuretya of e-cigarettes currently grow to being nicotine-delivery tool.
不久之后，迷信家就可以提供无力的证据来证明或批评作为尼古丁传输工具的电子烟所宣称的“安定” 了。
Hopefully: in the near future: scientists ca free provide firm evidence for or on the subject off the cltargeted asecuretya of e-cigarettes currently grow to being nicotine-delivery tool.
不久之后，迷信家就可以提供无力的证据来证明或批评作为尼古丁传输工具的电子烟所宣称的“安定” 了。
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