frequency n. 1.屡次,频仍,频繁。 2.(脉搏等的)次数,出现率;频度;【物理学】频率,周率。 audio frequency音频。 a high [low] frequency高[低]频。 the frequency of earthquakes in Japan 地震在日本的频繁发生。 mean [median] frequency中频。 resonance [resonant] frequency谐振频率,共振频率。 ultrahigh frequency超高频。 ultralow frequency超低频。 very high frequency甚高频。 very low frequency甚低频。
It split words and labeled the part of speech first , and then it computed the frequency of words 该方法主要结合了基于统计和理解的摘要技术,针对中文科技文献提取出摘要。
This thesis gives an method of extracting words without dictionary , which avoids the limitations of linguistics and syntax , showing its merit on extracting the middle and high frequency words and partially resolving the problems brought by the new words by the way of counting and filtering the frequency of words . also 本文基于web环境提出了一个无词典分词方法,它绕过了语言语法学方面的局限,通过对词频的统计、过滤,对于提取中、高频度的词条具有良好的分词效果,也部分解决了新词问题。