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。
• The number of which a given number is the logarithm.
  一个已知数是某数对数的数。
• 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。
• 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。
• It calculates the logarithm of1 plus its argument.
  它计算1的对数和参数（1p表示“加1”）。
• 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。
• 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。
• 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。
• 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。