引出现 meaning in English

leader

According to the documentation guidelines for determing the subjects and selecting the descriptots and chinese thesaurus and fishery science thesaurus the authors analyze the problems in keywords in contributions for the journal of dalian fisheries university to promote the keywords documentation quality
摘要依据文献叙词标引规则和《汉字主题词表》及《水产科学叙词表》，对大连水产学院学报来稿中关键词标引出现的若干问题进行了分析，旨在提高学报关键词标引的质量。