The house is provided with solar panels for water heating and a high energy efficient device for ventilation.

这栋房子还配置着太阳能热水器和高效节能的通风设备。

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So's device takes a radically different turn, replacing glass with thin plastic, eliminating the vacuum and using energy-efficient, organic LEDs.

相比之下，弗兰克·索的发明则独辟蹊径，用轻盈的塑料薄膜代替玻璃，去掉了真空管，直接使用有节能效果的有机发光二极管。

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The results show that reservoir device is efficient to diminish the energy reflected into the tank.

结果表明落水槽装置对减小长波反射是有效的。

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But the quality gap has shrunk as mobile device GPUs have become more energy efficient.

BBC: ARM's Mali GPU upgrades set to power up smart devices

They set every appliance and electronic device to the most energy-efficient settings.

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Actual operation and booting of the device is responsive, silent and energy efficient -- the unit is quick to fade the screen to black after going unused for a minute or so.

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