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

• 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。
• It calculates the logarithm of1 plus its argument.
  它计算1的对数和参数（1p表示“加1”）。
• The fifth day is the logarithm stage for the mycelium growth.
  菌丝体生长的第五天为菌丝对数生长阶段。
• Both of their security are based on the intractability of elliptic curve discrete logarithm problem.
  两种方案的安全性都是基于椭圆曲线离散对数问题的难解性。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。
• 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。
• Returns the logarithm ( base-specified) of a value.
  返回某个值（以指定底为底）的对数。
• While this doesn't sound like a big deal, the difficulty of factoring and finding a discrete logarithm forms the basis of most if not all public-key cryptography systems.
  虽然听起来这并不是什么了不起的事，但分解并找到一个离散对数的困难形成了大部分公用密钥密码学系统的基础，如果不是全部的话。
• 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。
• 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。