英语词汇spectral 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	spectral index
释义	spectral index noun an exponential factor relating the flux density of a radio source to its frequency 光谱指数。
随便看	tenaciousness tenacity tenaculum tenancy tenancy in common tenant tenantable tenant at will tenant farmer tenantless tenantry Tencel tench Ten Commandments tend tendance tendency tendentious tendentiously tendentiousness tender tenderer tenderest tender-eyed tenderfoot

英汉双解词典包含131075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。