device identifier

例句：

1. 1. The deviceidentifier is used to identify and track the location of a device.
   设备标识符用于识别和追踪设备的地理位置。
2. 2.The device identifier is crucial for ensuring the security of the data stored on the device.
   设备标识符对于确保存储在设备上的数据的安全性至关重要。
3. 3. The device identifier helps to prevent unauthorized access to the device.
   设备标识符有助于防止未经授权访问设备。