Converting solar energy beamed from space into electricity in a power grid, however, has not yet been demonstrated.
可是，能否把从太空上发射来的太阳能转变成可以进入输电网中的电能，则还没有实例。
That could happen about five years from now, perhaps using a laser on the International Space Station to transmit solar power collected by its panels to Earth.
从现在算起，实验可能会在未来的五年内进行，可能采用的方法是利用国际空间站的激光将太阳板收集到的太阳能传送到地球。
Such solar power is already being used to run all sorts of devices, from calculator to the Hubble Telescope in outer space.
这类太阳能已应用在诸如计算机和哈伯太空望远镜等各种装置中。
Astronauts aboard the space shuttle Discovery spent 3 days moving 2 solar power units from one part of the station to another.
“发现号”航天飞船上的宇航员花了3天时间把空间站上的2套太阳能组件从一端移到了另一端。
Astronauts aboard the space shuttle Discovery spent 3 days moving 2 solar power units from one part of the station to another.
“发现号”航天飞船上的宇航员花了3天时间把空间站上的2套太阳能组件从一端移到了另一端。
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