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Ten years after the discovery of high-temperature superconductivity, a technical study by the Electric Power Research Institute (EPRI) concluded that with liquid nitrogen as a coolant, a five-gigawatt DC “electricity pipe” could compete economically with |
中文意思: 发现高温超导特性的10年之后,美国电力研究所(EPRI)一份技术研究报告指出,以液态氮当做冷却剂时,50亿瓦特的直流「电管」传输800公里以上的成本,跟瓦斯管线或传统架空电缆差不多。 |
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