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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A dot matrix printer will be used to print these forms in order to provide carbon copies for the departments.

点阵打印机用于打印这些表格，以便为各部门提供碳副本。

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When printing is very important materials, in general, the stand or fall of carbon belt, in addition to decide the life of the print head is related to the effects of print.

是打印时非常重要的材料，一般来说，碳带的好坏，除了决定打印头的寿命还关系到打印的效果。

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