Conventional solar-only devices with polymer absorbers have less than 10 percent efficiency.

而常规带有聚合物吸收器的单一太阳能设备的效率低于10%。

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The scientists say that their device has a 30 percent efficiency in converting sunlight into power.

科学家说此设备将阳光转化为能量的效率可达30%。

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The most effective setup, thus far, transfers power over a distance of two meters with about 50 percent efficiency.

现阶段最有效的方式是在两米的距离内实现了电力传输，但是供电效能只有50%。

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Facilities that achieve 60 percent efficiency will be eligible for a full REC per megawatt-hour.

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The process works at 90 percent efficiency, and it can be used on a variety of plant waste beyond orange peels.

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The best cells operate at about 33 percent efficiency, but the ones used on vehicles are only about 18 percent efficient, he said.

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