为了解国内外海洋科技的研究现状及热点,发现国内外海洋科技研究的差距所在。以1992-2018年国内外数据库的核心文献作为数据基础,运用CiteSpace可视化软件绘制出作者合作图、机构合作图、研究热点图等知识图谱。结果表明：国内的发文量滞后于国外；国内海洋科技研究起步晚,文献研究影响力较国外偏弱；国内外均没有形成一批高产高影响力的作者及研究团队；国内外海洋科技研究的主要力量均分布于高校,并且主要集中于经济较为发达的沿海地区；国内外的研究热点主要有海洋科技、海洋渔业、海洋环境保护、可持续发展等；最后根据存在的不足,分别从加大资金支持、构建学术交流平台、完善教育体系三个方面提出建议。

In order to understand the research status and hotspots of marine science and technology at home and abroad, we find the gap between marine science and technology research at home and abroad. Based on the core literature of domestic and foreign databases in 1992-2018, the CiteSpace visualization software was used to map knowledge maps such as author cooperation maps, institutional cooperation maps, and research hotspot maps. The results show that the domestic publications lag behind foreign countries; the domestic marine science and technology research started late, the literature research influence is weaker than foreign countries; there are no authors and research teams with high yield and high influence at home and abroad; The main forces are distributed in colleges and universities, and mainly concentrated in the coastal areas with more developed economy; the research hotspots at home and abroad mainly include marine science and technology, marine fisheries, marine environmental protection, sustainable development, etc. Finally, according to the existing deficiencies, they are separately increased. Suggestions on financial support, building an academic exchange platform, and improving the education system.

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广东省哲学社会科学“十三五”规划2016年度项目“‘一带一路’战略下我国沿海省份基础设施投资效率及其综合效应研究”(GD16XYJ07)；广东海洋大学2017年度创新强校工程项目(重大科研项目培育计划)“中国与21世纪海上丝绸之路沿线主要国家水产品贸易合作及政策研究”(GDOU2017052613)；广东海洋大学优秀科研团队建设项目“面向21世纪海上丝绸之路的海洋经济与管理研究团队”(GDOU2016030502)。