英语词汇“root sign”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	root sign
释义	Word Frequency root sign (ruːt saɪn) noun mathematics the symbol √ placed before a number or quantity to indicate the extraction of a root, esp a square root. The value of a higher root is indicated by a raised digit in front of the symbol, as in3√
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