square root

英 [ˌskweə ˈruːt]

美 [ˌskwer ˈruːt]

n.  平方根

牛津词典

noun

• 平方根
  a number which when multiplied by itself produces a particular number
  1. The square root of 64 (√64) is 8 (8 × 8 = 64).
     64的平方根是8。

柯林斯词典

• 平方根
  Thesquare root ofa number is another number which produces the first number when it is multiplied by itself. For example, the square root of 16 is 4.

英英释义

noun

• a number that when multiplied by itself equals a given number

双语例句

• Each observation could have been weighted inversely as the distance or as the square root of the frequence.
  每次观测可以倒过来加权作为距离或作为频率的平方根。
• Square root of a negative number is not permitted.
  不允许求负数的平方根。
• I can sort of understand that although the square root is hard to see.
  我大概能理解它，即使平方根很难看到。
• It is the square root of the variance.
  这是方差的平方根。
• Evaluation of P is simplified if the square root terms are expanded by the binomial theorem.
  如果按二项式定理展开来计算平方根，P的计算可以简化。
• The positive square root of the variance is called the standard deviation.
  方差的正的平方根叫做标准差。
• The coefficient of correlation, R, is obtained by taking the square root of R2.
  相关系数R是通过把R2开平方根求得的。
• However, PI and square root are a bit more common.
  然而，PI和平方根比较常见。
• The part of a complex number that has the square root of-1 as a factor.
  复数中含有的平方根的部分。
• Based on the specific relations of graphs and line graphs, a necessary and sufficient condition of square root graphs is obtained.
  应用图与线图之间的特定联系，得出了平方根图的一个充要条件，进一步完善了平方根图的刻画。