必须有一种机制能够支持惟一的用户标识和身份验证。
There must be a mechanism in place to support unique user identification and authentication.
需要提供一种机制以支持用户标识和身份验证，允许用户拥有惟一的身份标识。
You need to provide a mechanism to support user identification and authentication that allows for the unique identification of users.
数字标识或证书是一种可让您在电子商务中证实身份的文档。
Digital IDs or Certificates are documents that allow you to prove your identity in electronic transactions.
数字标识(又称为证书)是在电子事务中证明您身份的一种方式。
Digital IDs (also called certificates) are a way of proving your identity in electronic transactions.
Android是一种权限分离的操作系统，其中每个应用以唯一的身份标识（Linux用户ID和组ID）运行。
Android is a privilege-separated operating system, in which each application runs with a distinct system identity (Linux user ID and group ID).
Android是一种权限分离的操作系统，其中每个应用以唯一的身份标识（Linux用户ID和组ID）运行。
Android is a privilege-separated operating system, in which each application runs with a distinct system identity (Linux user ID and group ID).
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