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最佳答案:The index of refraction of the English name is refractive indexThe definition is
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最佳答案:Summer,the sun-handOpen wings of a BirdDance in the sunShadow tiltThe dazzling l
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最佳答案:Abstract: The fairy tale logic is refers to the fairy tale the fantasy to be roo
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最佳答案:When measuring ultra-thin materials, sometimes it cause wrong results called a "
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最佳答案:Between language and culture are inextricably linked, language is part of cultur