They claim that by replacing the copper and aluminum wires in the grid with a ceramic, high-temperature superconductor, the lines could have five times the capacity and waste less electricity.

他们声称，用陶瓷的高温超导体替换电网中的铜铝线缆，电网容量将提高5倍，同时减少电力浪费。

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The article analyzes the factors related to the energy consumption of waste plastics extrusion recycling lines and saving possibility.

文章简述了废弃塑料再生挤出生产线能量消耗的相关因素及可能的节能措施。

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Nets body surface smooth lines, without waste edge.

网体表面线条流畅，无废边。

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Some of the projects involve modernizing old, inefficient transmission lines that just waste too much energy.

WHITEHOUSE: President Obama Explains the Smart Grid and Economic Recovery | The White House

That includes bridges and roads, drinking water and wastewater pipelines, levees, power lines, solid waste systems, and a host of other things.

FORBES: 2012 is the Year America Must Get Serious About its Infrastructure

Most businesses haven't spruced up billing and accounting to keep pace with the complex services, creating a system riddled with waste--paying bills for inactive lines, ignoring discounts and failing to spot employee fraud and curb excessive dial-up time from workers' homes.

FORBES: Dialing for Dollars