MPK

例句：

1. 1. The MPK system allows for easy access to information on a mobile device.
   MPK系统允许用户轻松地在移动设备上访问信息。
2. 2. The MPK key was used to unlock the door.
   MPK钥匙被用来打开门。
3. 3. The MPK system is designed to provide secure communication between devices.
   MPK系统旨在提供设备之间的安全通信。