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

• Returns the logarithm ( base-specified) of a value.
  返回某个值（以指定底为底）的对数。
• Analysis of a Proxy Multi-Signature Scheme Based on Discrete Logarithm
  基于离散对数的代理多重签名方案分析
• 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。
• 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
• 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 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。
• Returns the natural logarithm of a number.
  返回一个数的自然对数。
• The elliptic curve discrete logarithm of non singular elliptic curve over finite field has no efficient attack up to now, which made it cannot be widely applied in cryptography.
  目前，在有限域上非奇异椭圆曲线离散对数问题还没有有效的攻击方法，使其在加密技术中得到了广泛应用。
• 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 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。