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

• 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。
• Generally, the reduction falls as the square root of the number of terms in the series.
  通常，缩减量随着系列中术语的数量的平方根下降。
• 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。
• 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。
• Can occur if you try to calculate the square root or logarithm of a negative number.
  如果你试着计算否定数目的正直根或对数，能发生。
• It is the square root of the variance.
  这是方差的平方根。
• So you see the connection is always through this square root of two.
  所以你看联系总是，在于2平方根。
• 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。
• Three is the square root of nine.
  三是九的平方根。
• The square root of 16 is 4.
  16的平方根是4。