热衷者声称,首先通过调节阳光至适当频率,在太空中的太阳能收集器可以吸收五倍于地面收集器的能源。
The disadvantage is cost.
缺点在于成本高。
Launching and maintaining suitable satellites would be ludicrously expensive.
适用卫星的发射和维护成本会高得惊人。
But perhaps not, if the satellites were small and the customers specialised.
但也许不会如果卫星足够小、且是为专门客户服务。
Military expeditions, rescuers in disaster zones, remote desalination plants andscientific-research bases might be willing to pay for such power from the sky.
军事远征队、灾区救援人员、偏远的脱盐工厂和科研基地也许会愿意为太空太阳能买单。
And a research group based at the University of Surrey, in England, hopes that in a few yearsit will be possible to offer it to them.
英国萨里大学的一个研究小组希望在未来几年内可以提供太空太阳能。
Heavenly power
天国能源
This summer, Stephen Sweeney and his colleagues will test a laser that would do the jobwhich Asimov assigned to microwaves.
今年夏天,斯蒂芬斯维尼和同事将测试一个激光器,该激光器用来完成阿西莫夫为微波指派的任务。
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