创建安全域，以防止未经授权的用户访问应用程序。
Create a security realm to secure an application from unauthorized party access.
以防止未经授权的用户访问，相机及摄录机所保护的密码。
To prevent unauthorized user to access, the camera and video are protected by password.
以防止未经授权的用户访问，相机及摄录机所保护的密码。
To prevent unauthorized user to access, the camera and video are protected by password.
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