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。
The energy efficiency of computing is doubling every 18 months.
计算机的能源效率(晶体管数目)每18个月翻一番。
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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