About 300, 000 acres (121, 400 hectares) of mirrors would be required to collect enough sunshine to make the equivalent of 1 million barrels of oil per day, she says.

总共要使用300000英亩(121400公顷)的镜子来采集阳光，每天才能产生与100万桶石油相当的能量，她说。

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Already, some of the rings of mirrors which will eventually concentrate acres-worth of desert sunshine on to collectors perched atop 140-metre-high towers are in place.

一些成环状排列的镜子已于本周开始运作，最终会将数英亩的太阳光汇集到收集器上。该装置位于140米高的塔顶。

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Already, some of the rings of mirrors which will eventually concentrate acres-worth of desert sunshine on to collectors perched atop 140-metre-high towers are in place.

一些成环状排列的镜子已于本周开始运作，最终会将数英亩的太阳光汇集到收集器上。该装置位于140米高的塔顶。

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