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联邦德国罗拜伊特大学物理学家用磁冷却法致冷,获得-273.149986℃的低温,比英、日科学家创造的前世界最低温度
Federal Germany Bayeiut University physicists using magnetic cooling method to obtain a low temperature of -273.149986 ℃, than the British, Japanese scientists created the world’s lowest temperature