logarithm

音標發(fā)音

• 英式音標 ['l?g?r?e(?)m; -r?θ-]
• 美式音標 [?lɑ?.ɡ?.r?.e?m]
• 國際音標 ['l?ɡ?rie?m, 'l?:ɡ-]
• 英式發(fā)音
• 美式發(fā)音

基本解釋

• n.[數]對數

同根派生

• adj性質的同根詞

  logarithmic：對數的。

• adv性質的同根詞

  logarithmically：用對數。

• logarithm相關詞

英漢例句

• The natural logarithm of this ratio is called the logarithmic decrement.
  此比率自然對數稱爲對數的減量.
• The characteristic of the logarithm 6.3214 is 6.
  對數6.3214的首數是6.
• His first designs were for a machine to calculate such things as logarithm tables.
  他的最初設計是爲機器計算諸如對數表之類的事情.
• The natural logarithm of this ratio is called the logarithmic decrement.
  此比率自然對數稱爲對數的減量.
• The characteristic of the logarithm 6.3214 is 6.
  對數6.3214的首數是6.

• logarithm更多例句

詞組短語

短語

• common logarithm [數]常用對數;公用對數;常用對數
• Napierian logarithm 自然對數;納皮爾對數;訥氏對數
• inverse logarithm [數]反對數
• coulomb logarithm 庫侖對數
• algebraic logarithm [數]代數對數

• logarithm更多詞組

英英字典

劍橋英英字典

• 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劍橋字典
• logarithm柯林斯字典

專業(yè)釋義

計算機科學技術

• 對數

  According to the Taylor series,logarithm and division in CEF are transformed into multiplication.
  該算法利用泰勒級數將交叉熵函數中的對數和除法運算轉化爲乘法運算,簡化了運算過程。

  物理學

• 對數

  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.
  目前可用傳統的方法(非線性蓡數估計法、對數坐標圖解法和賸餘分析法)確定測區(qū)各元素的背景值和異常下限，処理結果與實際資料有一定差異。

  交通運輸工程

• 對數常用對數
• 對數對數常用對數

電子、通信與自動控制技術

• 對數

生物學

• 對數