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。
• 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。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。
• 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。
• 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。
• 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。
• 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。
• The number of which a given number is the logarithm.
  一个已知数是某数对数的数。
• 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