Now balanced precariously atop their tin roof, a lone solar panel provides enough electricity to charge the phone and run four bright overhead lights with switches.

现在，一晃一晃固定在露托家铁皮屋顶上的，是一架独立式太阳能电池板，可以为手机提供足够的电力，并点亮了4只带开关的吊灯。

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Panoramic roof systems are a new type of multi-panel moon roof that offer openings above both the front and rear seats.

全景天窗系统是一种新型的多层面板月光车顶，它可为前排和后排座椅都提供敞开式天窗。

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It has a transparent solar-panel roof which generates power to keep the cooling fans running even when stationary, see-through dashboard and clear OLEDs for internal lighting at night.

车顶是一块透明的太阳能板，可以让车内制冷风扇甚至在车体静止状态也可以正常运转，它也能保证透视面板和精显oled可以在夜间提供照明。

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If something gets in the way of the door--a person's foot or a roof panel that's hanging down--the electric motor that closes the train door has to work harder and produces more current.

FORBES: Magazine Article

And this is with a lighter V8 engine taking the place of the V10, as well as a concerted effort to reduce weight with, for example, a carbon-fiber roof panel.

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Greg Johanson, president of Solar Electric Vehicles in Westlake Village, California, said his company makes a roof-mounted panel for a standard Prius that enables the car to travel up to 15 additional miles a day.

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