预期的改进包括一个双核处理器、一个高质量显示器和一个前视相机以及一个sd卡插槽。

Expected improvements include a dual-core processor, a higher-quality display, a front-facing camera, and an SD card slot.

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主设备包含有处理器，网络，电源，SD卡插槽和其他连接设备，且可以被安装到远离公共视线的地方。

The main units house the processor, network, power, SD card slot and other connections and can be installed away from public view.

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