| 单词 | radical sign |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔radical expression〕An expression or form in which radical signs appear.根式：一种含根号的数学形式美国传统〔radical sign〕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美国传统〔radical〕Abbr. rad.Mathematics The root of a quantity as indicated by the radical sign.缩写 rad.【数学】 根，根号：用根号表示出来的一个数的根美国传统 |
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