英语词汇“principal series”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	principal series
释义	principal series principal series [′prin·sə·pəl ′sir·ēz] (spectroscopy) A series occurring in the line spectra of many atoms and ions with one, two, or three electrons in the outer shell, in which the total orbital angular momentum quantum number changes from 1 to 0.
随便看	high precision tool high-precision track high precision tracking experiment high-precision tube roller high precision untethered geosurvey and inspection system high-precision x-ray fluorescence high premium convertible debenture high-premium convertible debenture high premium convertible debentures high pressure high-pressure high pressure acid leaching high pressure air high pressure air compressor high pressure air distribution high pressure air dryer high pressure alarm high pressure ammonia liquor aspiration high-pressure area high pressure bleed valve high pressure blower high-pressure boiler high pressure breathing air compressor high pressure cell high pressure chamber

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。