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

• 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。
• If we use exponentiation to encrypt or decrypt, the adversary can use logarithm to attack.
  如果我们运用求幂运算来加密和解密，对手就可以运用对数进行攻击。
• It calculates the logarithm of1 plus its argument.
  它计算1的对数和参数（1p表示“加1”）。
• 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。
• 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。
• 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；
• Returns the logarithm ( base-specified) of a value.
  返回某个值（以指定底为底）的对数。
• The number of which a given number is the logarithm.
  一个已知数是某数对数的数。
• 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。
• 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