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- The square root of 64 (√64) is 8 (8 × 8 = 64).
64的平方根是8。
- The square root of 64 (√64) is 8 (8 × 8 = 64).
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 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。 - 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。 - However, PI and square root are a bit more common.
然而,PI和平方根比较常见。 - The square root of 16 is 4.
16的平方根是4。 - That is the square root of k over m.
就是k/m的平方根。 - So you take the square root of the product.
你应该用乘积的平方根。 - Three is the square root of nine.
三是九的平方根。 - 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。 - 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。 - It is the square root of the variance.
这是方差的平方根。