But none of these therapies have shown a hundred percent efficiency.

但这些疗法都没有显示出百分之百的效果。

The scientists report that this inexpensive system reaches 85 percent efficiency in converting the solar energy into steam.

科学家们称这种廉价的系统在转化太阳能为水蒸汽方面效率可以达到85%。

We think we can generally find between 15 and 50 percent efficiencies are to buy introducing bigger vehicles, changing the routes, changing the schedules.

我们发现，通过引进载客量更多的交通工具，调整路线，优化时间表等可以提升15%到50%的效率。