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

• 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。
• 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。
• The photometric signal-to-noise ratio is roughly proportional to the square root of the signal intensity.
  光度计的信噪比与信号强度的平方根粗略成比例。
• I did a demonstration to show you that the time is proportional to the square root of h.
  我那次只不过是一个演示，用以证明时间，与根号h成正比。
• 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。
• The square root of two is an irrational number.
  二的平方根是一个无理数。
• The square root of 16 is 4.
  16的平方根是4。
• However, PI and square root are a bit more common.
  然而，PI和平方根比较常见。
• 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。
• A fast square root method based on binary float point numbers and look-up table is proposed in this paper.
  本文提出一种基于二进制浮点数结构和查表法结合的快速求浮点数平方根方法。