在线授权认证平台由三部分组成：平台管理子系统、认证更新子系统、客户端开发库。
Online certification authority platform consists of three parts: platform management subsystem, certification update subsystem, the client development library.
在线授权认证平台由三部分组成：平台管理子系统、认证更新子系统、客户端开发库。
Online certification authority platform consists of three parts: platform management subsystem, certification update subsystem, the client development library.
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