英语词汇“radical sign”是什么意思，“radical sign”的读音、用法及例句翻译-烛光网

词汇	radical sign
释义	radical signn.Mathematics（名词）【数学】 The sign √ placed before a quantity, indicating extraction of the root designated by a raised integer. When extracting a square root, the raised integer is customarily omitted.根号：置于某一数之前的符号√，用一个被提高的整数表示取其根。开平方根时，这个整数习惯被省略 The radical sign together with a horizontal bar extending from its top to the end of the expression from which a root is to be extracted.根号：根号与一条水平横线，从开根的表达式开头延伸到结尾
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