logarithm

英 [ˈlɒɡərɪðəm]

美 [ˈlɔːɡərɪðəm]

n.  对数

复数：logarithms　

经济

BNC.27896 / COCA.31934

牛津词典

noun

• 对数
  any of a series of numbers set out in lists which make it possible to work out problems by adding and subtracting instead of multiplying and dividing

柯林斯词典

• 对数
  In mathematics, thelogarithmof a number is a number that it can be represented by in order to make a difficult multiplication or division sum simpler.

英英释义

noun

• the exponent required to produce a given number
  Synonym:log

双语例句

• If we use exponentiation to encrypt or decrypt, the adversary can use logarithm to attack.
  如果我们运用求幂运算来加密和解密，对手就可以运用对数进行攻击。
• It calculates the logarithm of1 plus its argument.
  它计算1的对数和参数（1p表示“加1”）。
• The natural logarithm of this ratio is called the logarithmic decrement.
  此比率自然对数称为对数的减量。
• A threshold group signature scheme based on RSA and discrete logarithm
  基于RSA与离散对数的门限群签名方案
• Now, let's take care of exponential and logarithm functions.
  现在，让我们的指数和对数函数的照顾。
• Methods Far sight was examined through E Standard Logarithm Eyesight Table.
  方法远视力检测使用E字标准对数视力表进行常规检查。
• The potential of reductive peak is linear with the logarithm values of scan rate.
  还原峰的峰电位与扫描速率的对数值呈线性关系。
• Returns the logarithm ( base-specified) of a value.
  返回某个值（以指定底为底）的对数。
• A method is proposed for improving the consistency of inconsistent judgment matrix based on exponential scale, by the value of compatibility index of logarithm.
  利用对数意义下的相容性指标提出了一种基于指数标度下判断矩阵的一致性调整方法，并通过算例表明该法是切实可行的。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。