英语词汇noise and number index怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	noise and number index
释义	Definition of noise and number index in English: noise and number index noun A quantity used in evaluating aircraft noise in terms of its intensity and frequency of occurrence; abbreviated NNI. Origin 1960s. Definition of noise and number index in US English: noise and number index noun A quantity used in evaluating aircraft noise in terms of its intensity and frequency of occurrence; abbreviated NNI. Origin 1960s.
随便看	rosettes rosette virus rosetting rosety rosety end Roseville rose vine physical recreation physicals physicals physical sciences physical shape physical sign physical state physical strength physical theatre physical theology physical therapist physical therapist physical therapy physical torture physical training physical training session physic ball physic garden

英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

Definition of noise and number index in English: