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
- The number of which a given number is the logarithm.
一个已知数是某数对数的数。 - 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。 - 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。 - 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。 - 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 - 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。 - 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； - Linear regression models are established for both logarithm of heavy metal content and normalized ratio emissivity and are used to verify the significance of the regression equations.
建立了土壤重金属含量的对数值与发射率标准化比值的线性回归模型，并对回归方程的显著性进行了检验。 - Returns the natural logarithm of a number.
返回一个数的自然对数。 - 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。