Turn on the sub-power supply switch and key of screen displaying.
打开触摸屏下面的电源键，打开显示屏幕。
Key aspects during the construction process in different sub-system were discussed.
讨论了构建过程中，构建不同子系统时，应注意的关键问题。
Key aspects during the construction process in different sub-system were discussed.
讨论了构建过程中，构建不同子系统时，应注意的关键问题。
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