英語單詞

logarithm是什么意思

logarithm

英 ['l?g?r?e(?)m; -r?θ-] 美 ['l?ɡ?r?e?m]
  • n. [數(shù)] 對數(shù)

中文詞源


logarithm 對數(shù)

來自拉丁語logarithmus,由蘇格蘭數(shù)學家John Napier于1610年造出來的一個詞,來自logos,詞,思考,比例,詞源同logic,arithmos,數(shù)字,詞源同arithmetic.

英文詞源


logarithm
logarithm: [17] Greek lógos had a remarkably wide spread of meanings, ranging from ‘speech, saying’ to ‘reason, reckoning, calculation’, and ‘ratio’. The more ‘verbal’ end of its spectrum has given English the suffixes -logue and -logy (as in dialogue, tautology, etc), while the ‘reasoning’ component has contributed logic [14] (from the Greek derivative logiké), logistic [17] (from the Greek derivative logistikós ‘of calculation’), and logarithm, coined in the early 17th century by the English mathematician John Napier from Greek logós ‘ratio’ and arithmós ‘number’ (source of English arithmetic [13]).
=> arithmetic, logic, logistic
logarithm (n.)
1610s, Modern Latin logarithmus, coined by Scottish mathematician John Napier (1550-1617), literally "ratio-number," from Greek logos "proportion, ratio, word" (see logos) + arithmos "number" (see arithmetic).

雙語例句


1. The natural logarithm of this ratio is called the logarithmic decrement.
此比率自然對數(shù)稱為對數(shù)的減量.

來自辭典例句

2. The characteristic of the logarithm 6.3214 is 6.
對數(shù)6.3214的首數(shù)是6.

來自辭典例句

3. His first designs were for a machine to calculate such things as logarithm tables.
他的最初設計是為機器計算諸如對數(shù)表之類的事情.

來自辭典例句

4. Returns the logarithm of a specified number in a specified base.
返回指定數(shù)字在使用指定底時的對數(shù).

來自互聯(lián)網(wǎng)

5. The fifth day is the logarithm stage for the mycelium growth.
菌絲體生長的第五天為菌絲對數(shù)生長階段.

來自互聯(lián)網(wǎng)

單詞首字母

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