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

• 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。
• 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。
• The number of which a given number is the logarithm.
  一个已知数是某数对数的数。
• 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。
• Returns the logarithm ( base-specified) of a value.
  返回某个值（以指定底为底）的对数。
• This paper analyzed principles in dealing with the order of logarithm times, and determined right order of times to predict fatigue lifetime.
  分析了对数阶次处理的原则，确定了适合桁架结构疲劳寿命预测的阶次；
• The security of the scheme is set up on the intricate nature of the elliptic curve discrete logarithm problem and the knapsack problem.
  方案的安全性建立在椭圆曲线离散对数问题和变形的背包问题的难解性上。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。
• 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
• The security of the new protocol was based on the discrete logarithm on elliptic curve, and the server did not need to be completely trusted.
  新协议的安全性基于椭圆曲线离散对数问题，服务器并不需要完全可信。