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 multi-level threshold multi-secret sharing scheme based on bivariate polynomial and the intractability of the discrete logarithm was proposed.
  基于离散对数问题的难解性，利用二元多项式，给出一种多级门限多秘密共享方案。
• In this paper, one method of jamming effectiveness evaluation for speech communication based on the power added logarithm spectrum distance of two speech signal is presented.
  介绍了利用两个语音信号序列的加权对数谱距离对语音信号的干扰效果进行评估的方法。
• Analysis of a Proxy Multi-Signature Scheme Based on Discrete Logarithm
  基于离散对数的代理多重签名方案分析
• The log() function returns the natural logarithm ( base E) of a number.
  函数的作用是：返回一个数值的自然对数。
• 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。
• 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。
• 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。
• 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。
• In cryptography, we also need to discuss modular logarithm.
  在密码学中，我们也需要讨论模对数。
• Analysis of a digital signature scheme based on discrete logarithm and factoring
  一个基于离散对数和因子分解的数字签名方案的分析