Multiple authentication and authorization of services are frustrating operators.
多种服务身份验证和授权让操作员感到无所适从。
Authentication and authorization mechanisms are also possible in multiple ways.
身份验证和授权机制也可以通过多种方式进行。
Multiple persons may be responsible for authentication, especially in teaching facilities.
可以有多个人对鉴别负责，尤其是在教学机构中。
Multiple persons may be responsible for authentication, especially in teaching facilities.
可以有多个人对鉴别负责，尤其是在教学机构中。
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