美国稀土供应紧张现状冲击航天与芯片产业 特朗普拟访华寻求缓和

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{ 60, 28, 52, 20, 62, 30, 54, 22 },

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Author(s): Zhiyuan Huang, Lidong Ma, Jianbao Zhang, Dongpeng Hua, Qing Zhou, Lei Yang, Ji-Jung Kai, Haifeng Wang

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