英语词汇principal series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	principal series
释义	principal series 【数学】主序列,主列[亦作 composition series] 【光谱学】主线系
随便看	air drifter air drill air drilling air drills air-driven airdrome airdromes airdrop airdroppable airdropped airdropped;-droping airdrops air-dry air-drying airdrying air-dryings air duct -aire Aire air-earth conduction current air-earth current Aire-dale Airedale terrier Airedale Terriers air edition

英汉双解词典包含483723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。