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

• 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。
• 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。
• 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。
• 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。
• 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。
• The first line defines a function called square that takes an argument and emits its square root.
  第一行定义一个名为square的函数，该函数可接受参数并发出其平方根。
• So you take the square root of the product.
  你应该用乘积的平方根。
• 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。
• I want to then do, I need to find the square root b squared plus h squared, right?
  我接下来要求b的平方和h的平方，的和的平方根对不对？
• Square root of a negative number is not permitted.
  不允许求负数的平方根。