他们还没有拿出美国电力科学研究院说需要的500万美元，这笔钱是为了通过制造更小更便宜的激光器来开发一个商业系统。
They have not yet come up with the $5 million that EPRI says will be needed to develop a commercial system, by making the lasers yet smaller and cheaper.
他们还没有拿出美国电力科学研究院说需要的500万美元，这笔钱是为了通过制造更小更便宜的激光器来开发一个商业系统。
They have not yet come up with the $5 million that EPRI says will be needed to develop a commercial system, by making the lasers yet smaller and cheaper.
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