Its total wind capacity more than doubled from 2006 to 2007, will almost double again (to 10 Gigawatts) this year, and will accelerate by 2020.
其总体的风能总量从2006年到2007年增加了一倍,今年也差不多会再增加一倍达到100亿瓦10gw,并且到2020年之前都会一直加速增长。
Ericsson said the level of data traffic on the world's global mobile networks doubled in 2010 from 2009 and will continue to double each year for the next few years.
爱立信称,全球移动网络的数据流量从2009年到2010年已经增长了一倍,并将在未来几年中以每年翻番的速度持续增长。
Monsanto predicts that the yield from maize grown in America, which has doubled since 1970, can double again by 2030.
美国种植的玉米的收益自1970年以来已经翻了一番,Monsanto预计这个数字到2030年还会再翻一番。
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