实际上，运营商正在考虑建议用户在认为他们不需要4G网络时将其关闭，以节省电量。
The carrier, in fact, is thinking of advising users to turn off the 4g network access when they don't think they need it, to save battery life.
数据显示部分用液晶显示模块以节省电池的耗电量，显示器与单片机的接口为串行通信接口。
Data show USES LCD module in order to save battery power and the interface of display and microcontroller is serial communication interface.
数据显示部分用液晶显示模块以节省电池的耗电量，显示器与单片机的接口为串行通信接口。
Data show USES LCD module in order to save battery power and the interface of display and microcontroller is serial communication interface.
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