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-**树莓派64位系统**    **Debian Stretch Aarch64 基础系统** + **深度桌面** + **Xfce桌面**
+**树莓派64位系统** **：** **Debian Stretch Aarch64 基础系统** + **深度桌面** + **Xfce桌面**
 
 ![深度系统桌面1](./images/deepin_desktop1.png)