New User Default Role 新用户默认身份
You can see that you've defined a default anonymous role and mapped the Pluto role to the user name system, which is the default administrator account.
您可以看到您已经定义了默认的匿名角色并将pluto角色映射为用户名system，这是默认的管理员帐户。
When modeling a business process, the human activity is not assigned a user role or is just given the default value.
在建模一个业务流程时，不为人工活动分配用户角色或仅仅给定一个默认值。
This feature allows client applications to reset permissions (to the default role) of the user running the application, instead of requiring the DBA to reset permissions manually.
这个特性允许客户应用程序重新设置运行该应用程序的用户权限(对默认角色)，不需要dba手工改变权限设置。
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