所以研究人员用了两层石墨含量较高的传导性塑料，每层塑料内外层的侧面都有一条金属带。

Instead the researchers use two layers of graphite-rich conductive plastic, each flanked by a single metal strip in the inner and outer cladding.

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因此，研究者们转而使用两层含石墨的导电性聚碳酸酯，各层的内外层都附有一条金属带。

So instead the researchers use two layers of graphite-rich conductive polycarbonate, each flanked by a single metal strip in the inner and outer cladding.

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研究人员通过加入石墨烯薄条来使合成塑料更强。

Researchers have made the plastic composite strong by adding thin pieces, or ribbons, of graphene.

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