logarithm

音標(biāo)發(fā)音

The natural logarithm of this ratio is called the logarithmic decrement.
此比率自然對數(shù)稱爲(wèi)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(shè)計是爲(wèi)機(jī)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(wèi)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.

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.

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.

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(yùn)算轉(zhuǎn)化爲(wèi)乘法運(yùn)算,簡化了運(yùn)算過程。
物理學(xué)
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(biāo)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(jié)果與實際資料有一定差異。
交通運(yùn)輸工程
對數(shù)常用對數(shù)
對數(shù)對數(shù)常用對數(shù)