Primarily these apps offer information and advice, identify recycling stations, and help calculate individual carbon footprints.
这些应用程序主要是提供信息和建议,找到回收点,帮助计算个人碳足迹。
The tag USES ink laced with carbon nanotubes to print electronics on paper or plastic that could instantly transmit information about a cart full of groceries.
该标签利用掺有碳纳米管的油墨将电路印刷到纸或塑料上,瞬间便能读取满满一购物车里各类商品的信息。
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