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 square root of two is an irrational number.
  二的平方根是一个无理数。
• 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。
• Or, it could act like a square root machine.
  或者，它可以表现的像个开平方根的机器。
• 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。
• It is the square root of the variance.
  这是方差的平方根。
• Square root of a negative number is not permitted.
  不允许求负数的平方根。
• 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。
• 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。
• 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。
• 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。