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基于指标评价体系评价专业镇的发展,对不同产业、不同基础的专业镇进行发展程度分类是专业镇实施"分类指导"的基础。采用广东技术创新专业镇数据库,基于波特钻石模型构建专业镇发展能力指标体系并进行指标测算,将全省专业镇根据指标得分分为四个发展层次,根据各层次专业镇的指标得分情况分析其建设战略。 相似文献
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Halpern Joseph Y.; Pearl Judea 《The British journal for the philosophy of science》2005,56(4):843-887
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Xiaojing Zheng 《国家科学评论(英文版)》2023,(3):7-8
<正>Superconducting materials have been gradually applied in many areas including energy,transportation,medical imaging and communication.Among them,superconducting magnets that can generate a strong magnetic field above 10 Tesla with absolute advantages of higher quality,lower energy loss,and smaller volume,have become key to the performance improvement of cutting-edge science and large-scale engineering devices such as high-energy accelerators,thermonuclear fusion reactors, 相似文献
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