但是，在美国能源部高风险高回报研究分支机构arpa - E(仿照Darpa防御远景研究规划局)举办的一次革新峰会上，就不光讨论发电，而是彻底革新。

But at an innovation summit organized by the Department of Energy's high-risk, high-reward research branch, ARPA-E (modeled after Darpa), it's not just power generation that's getting a makeover.

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