logarithm

音标发音

• 英式音标 ['lɒgərɪð(ə)m; -rɪθ-]
• 美式音标 [ˈlɑː.ɡə.rɪ.ðəm]
• 国际音标 ['lɔɡəriðəm, 'lɔ:ɡ-]
• 英式发音
• 美式发音

基本解释

• n.[数]对数

同根派生

• adj性质的同根词

  logarithmic：对数的。

• adv性质的同根词

  logarithmically：用对数。

• logarithm相关词

英汉例句

• The natural logarithm of this ratio is called the logarithmic decrement.
  此比率自然对数称为对数的减量.
• The characteristic of the logarithm 6.3214 is 6.
  对数6.3214的首数是6.
• His first designs were for a machine to calculate such things as logarithm tables.
  他的最初设计是为机器计算诸如对数表之类的事情.
• The natural logarithm of this ratio is called the logarithmic decrement.
  此比率自然对数称为对数的减量.
• The characteristic of the logarithm 6.3214 is 6.
  对数6.3214的首数是6.

• logarithm更多例句

词组短语

短语

• common logarithm [数]常用对数;公用对数;常用对数
• Napierian logarithm 自然对数;纳皮尔对数;讷氏对数
• inverse logarithm [数]反对数
• coulomb logarithm 库仑对数
• algebraic logarithm [数]代数对数

• logarithm更多词组

英英字典

剑桥英英字典

• the number that shows how many times a number, called the base, has to be multiplied by itself to produce another number. Adding or taking away logarithms can replace multiplying or dividing large numbers.

柯林斯英英字典

• In mathematics, the logarithm of a number is a number that it can be represented by in order to make a difficult multiplication or division sum simpler.

• logarithm剑桥字典
• logarithm柯林斯字典

专业释义

计算机科学技术

• 对数

  According to the Taylor series,logarithm and division in CEF are transformed into multiplication.
  该算法利用泰勒级数将交叉熵函数中的对数和除法运算转化为乘法运算,简化了运算过程。

  物理学

• 对数

  At present we already use tradition method(non-linearity parameter estimate method -, logarithm coordinate graph explain method and surplus analysis method) ascertain measure area’s every element’s background value and abnormity lower limit,manage result is difference between real data.
  目前可用传统的方法(非线性参数估计法、对数坐标图解法和剩余分析法)确定测区各元素的背景值和异常下限，处理结果与实际资料有一定差异。

  交通运输工程

• 对数常用对数
• 对数对数常用对数

电子、通信与自动控制技术

• 对数

生物学

• 对数