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

• 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。
• Further, presented the correlations between multifractal spectrum and logarithm of mean traffic.
  进一步研究了多重分形谱参数与平均流量对数的关联关系。
• 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。
• In cryptography, we also need to discuss modular logarithm.
  在密码学中，我们也需要讨论模对数。
• 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。
• 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。
• 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
• A new logarithm linearization compensation method of thermistor without temperature drift is proposed in this paper.
  提出了一种新的无温漂对数热敏电阻线性化补偿方法。
• 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。