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基本元音
元音[i]、[e]、[ɛ]、[a]、[u]、[o]、[ɔ]、[ɑ]被称为基本元音。最早由英国语音学家D.琼斯提出。又称正则元音、定位元音。
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original video of Japan's Surrender to China
original water
Origin and Development of Chinese Literature
Origin and Development of Manchus
origin and evolution of solar system
origin and formation of Chinese opera
origin and propagation of cosmic rays
origin area of invasive species
origination
origin center of grass germplasm
Origin Center of World Cultivated Crops
origin centre
origin data authentication
origin moment
origin of agriculture
origin of a vector
origin of C4 plants
origin of civilization
origin of coal
origin of coordinates
origin of dry-land agriculture
origin of early hominins
origin of elements
origin of game
Origin of life
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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