| 释义 |
radical sign【计】 根号 radical sign radical sign n.Mathematics (名词)【数学】 1. The sign &S{Ö} 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&S{Ö},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2. 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 |