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
- 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。 - 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； - 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。 - 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。 - While this doesn't sound like a big deal, the difficulty of factoring and finding a discrete logarithm forms the basis of most if not all public-key cryptography systems.
虽然听起来这并不是什么了不起的事，但分解并找到一个离散对数的困难形成了大部分公用密钥密码学系统的基础，如果不是全部的话。 - Returns the logarithm ( base-specified) of a value.
返回某个值（以指定底为底）的对数。 - The merits and deficiencies of the logarithm model in air combat capability assessment of fighter aircrafts are analyzed.
详细分析了对数法模型评估飞机空战能力时的优点和不足之处。 - 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。