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  • 1.Academic Search Ultimate (ASU) 综合学科学术资源全文数据库-旗舰版

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  • IEEE is currently the world's largest non-profit professional technical society, with over 450000 members in more than 160 countries worldwide.

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  • Springer Nature is a global leader in research, education and professional publishing.

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  • Web of Science is the world's most trusted, publisher-independent global citation database. Guided by the legacy of Dr.