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

• It calculates the logarithm of1 plus its argument.
  它计算1的对数和参数（1p表示“加1”）。
• 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。
• 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；
• In cryptography, we also need to discuss modular logarithm.
  在密码学中，我们也需要讨论模对数。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。
• 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。
• 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
• The hyperelliptic curve cryptosystem is based on the hyperelliptic curve discrete logarithm problem, and has the higher safety and the shorter operands compared to other cryptosystems.
  超椭圆曲线密码体制是以超椭圆曲线离散对数问题的难解性为基础的，具有安全性高、操作数短等优点，相对于其他密码体制有明显的优势。
• The number of which a given number is the logarithm.
  一个已知数是某数对数的数。
• 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。