轮机英语词汇的量化特征
范凤祥
(大连海事大学外国语学院, 辽宁大连 116026)
摘要:运用容量为100 万单词的轮机英语语料库,研究轮机英语词汇的量化特征,其中包括:轮机英语的词汇密度、零阶单词熵和复杂度、大学英语四级和六级词汇对轮机英语的单词覆盖率、HERDAN2HEAPS 等数学模型对轮机英语词汇增长曲线的拟合度。
关键词:轮机英语;单词覆盖率;数学模型;词汇增长模式
Quantitative lexical description of marine engineering English
FAN Feng2xiang
(Foreign Languages College , Dalian Maritime Univ. , Dalian 116026 , China)
Abstract :This paper investigates the quantitative lexical characteristics of Marine Engineering English ; it includes the following : lexical density , zero order word ent ropy and perplexity , it s coverage by the Band 4 and Band 6 wordlist s and the goodness of fit by the Herdan2Heaps model and other models.
Key words :Marine Engineering English ; coverage ; model ; vocabulary growth
大连海事大学学报(社会科学版) 2006 年6 月Journal of Dal ian Maritime University ( Social Sciences Edition) J un. , 2006
范凤祥
(大连海事大学外国语学院, 辽宁大连 116026)
摘要:运用容量为100 万单词的轮机英语语料库,研究轮机英语词汇的量化特征,其中包括:轮机英语的词汇密度、零阶单词熵和复杂度、大学英语四级和六级词汇对轮机英语的单词覆盖率、HERDAN2HEAPS 等数学模型对轮机英语词汇增长曲线的拟合度。
关键词:轮机英语;单词覆盖率;数学模型;词汇增长模式
Quantitative lexical description of marine engineering English
FAN Feng2xiang
(Foreign Languages College , Dalian Maritime Univ. , Dalian 116026 , China)
Abstract :This paper investigates the quantitative lexical characteristics of Marine Engineering English ; it includes the following : lexical density , zero order word ent ropy and perplexity , it s coverage by the Band 4 and Band 6 wordlist s and the goodness of fit by the Herdan2Heaps model and other models.
Key words :Marine Engineering English ; coverage ; model ; vocabulary growth
大连海事大学学报(社会科学版) 2006 年6 月Journal of Dal ian Maritime University ( Social Sciences Edition) J un. , 2006