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%。
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%。
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%。
The cells are work at 40 percent efficiency, and researchers think with some tweaks they could push that efficiency much higher.
此电池工作效率为百分之四十，研究者认为，经过稍稍调整，有望大大提高效率。
Conventional solar-only devices with polymer absorbers have less than 10 percent efficiency.
常规的带有聚合物接收器的单一太阳能设备的效率低于10%。
Battery makers continue to achieve capacity gains by pushing closer to that 80 percent efficiency limit.
电池制造商们继续通过更接近这个80%的效率极限，以便提高电池容量。
Conventional cells of the highest quality, normally made from silicon, now operate at only 18 percent efficiency.
通常质量最好的电池是由硅做成的，它的转换效率目前仅能达到18%。
Power can be covered from mechanical form to electrical form and back again to mechanical form with almost 100 percent efficiency.
动力能以几乎百分之百的效率由机械形式转为电的形式，并可重新转为机械形式。
Power can be covered from mechanical form to electrical form and back again to mechanical form with almost 100 percent efficiency.
动力能以几乎百分之百的效率由机械形式转为电的形式，并可重新转为机械形式。
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