美 [ˈrædɪkl saɪn]
根号符号：放置在表达式之前的符号√͞或√，用来表示要提取平方根，或者用指数标记（如∛或∛表示立方根）来提取根号。
radical sign //
名词 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 in ³√ 根号
a sign placed in front of an expression to denote that a root is to be extracted
同义词： radical
根号
... 诉求appeal 根号radical sign 求导derivation ...
The root of a quantity as indicated by the radical sign .
放在表达式前表示被开方根的符号。
Because the work needs to realize single-chip on the operation of open radical sign .
因为工作的需要，要在单片机上实现开根号的操作。
Results All patients showed axillary node enlargement as the first sign. 4 cases of OBC were operated with modified radical mastectomy.
结果4例均以腋下肿块为首发症状且均予手术治疗，手术方式为乳腺癌改良根治术，术后辅以放、化疗。
Mr Tusk could easily dump them and sign up the radical anti-clerical Palikot Movement instead.
His administration's decision to deport Hamas deserter and Israeli counter-terror operative Mosab Hassan Yousef to the Palestinian Authority where he will be killed is the latest sign of their support for radical Islam.
And while the unrest has shaken the authorities here, there is no sign that it has prompted the sort of radical steps many are calling for, our correspondent adds.
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