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 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。
• Take the square root.
  取它的平方根。
• 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。
• 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。
• 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 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。
• 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 square root of two is an irrational number.
  二的平方根是一个无理数。
• 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。
• Bella: I don't want to know what the square root of pi is.
  贝拉：我不是想知道圆周率的平方根。