logarithm
英 [ˈlɒɡərɪðəm]
美 [ˈlɔːɡərɪðəm]
n. 对数
复数：logarithms
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
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”）。 - Methods Far sight was examined through E Standard Logarithm Eyesight Table.
方法远视力检测使用E字标准对数视力表进行常规检查。 - 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。 - 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。 - The security of the new protocol was based on the discrete logarithm on elliptic curve, and the server did not need to be completely trusted.
新协议的安全性基于椭圆曲线离散对数问题，服务器并不需要完全可信。 - Can occur if you try to calculate the square root or logarithm of a negative number.
如果你试着计算否定数目的正直根或对数，能发生。 - 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。 - 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。 - 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 - 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。