Whereas silicon has an efficiency of around 15-18%, plastic devices can only achieve 7-8% at best, currently.
目前，硅材料光电板的效率大约为15- 18%，而塑料光电板的效率只能达到7 - 8%。
In reality, solar cells that are on the roofs of houses and in consumer products have 14 to 18 per cent efficiency.
在实际应用中，屋顶上和消费产品中的太阳能电池，只有14%至18%的效率。
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%。
All of the subwoofers in the range are compact, high efficiency, high performance, enclosures with a choice of 15 "or 18" bass units.
在范围低音都很紧凑，高效率，高性能，为15“或18”低音单元的选择附件。
Treated with pectase, the extract of strawberry was increased by 18%and the filter efficiency was increased evidently.
果胶酶处理可提高制汁得率18％，且提高过滤速度。
Treated with pectase, the extract of strawberry was increased by 18%and the filter efficiency was increased evidently.
果胶酶处理可提高制汁得率18％，且提高过滤速度。
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