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(shù)]對數(shù)

同根派生

• adj性質的同根詞

  logarithmic：對數(shù)的。

• adv性質的同根詞

  logarithmically：用對數(shù)。

• 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(shù)稱爲對數(shù)的減量.
• The characteristic of the logarithm 6.3214 is 6.
  對數(shù)6.3214的首數(shù)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(shù)表之類的事情.
• The natural logarithm of this ratio is called the logarithmic decrement.
  此比率自然對數(shù)稱爲對數(shù)的減量.
• The characteristic of the logarithm 6.3214 is 6.
  對數(shù)6.3214的首數(shù)是6.

• logarithm更多例句

詞組短語

短語

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

• 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(shù)

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

  物理學

• 對數(shù)

  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(tǒng)的方法(非線性蓡數(shù)估計法、對數(shù)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(shù)常用對數(shù)
• 對數(shù)對數(shù)常用對數(shù)

電子、通信與自動控制技術

• 對數(shù)

生物學

• 對數(shù)