| 单词 | logarithms |
| 释义 | logarithm /logˈə-ri-dhm or -thm/noun(short form log) a mathematical operation used esp before electronic computing, to simplify multiplication and division. The logarithm of a number N to a given base b is the power to which the b must be raised to produce the N, and is written as logbN ORIGIN: Gr logos ratio, reckoning, and arithmos number logarithˈmic or logarithˈmical adjective logarithˈmically adverb logarithmic sine, cosine, etc noun The logarithm of the sine, cosine, etc logarithmic spiral noun The path of a point travelling along a radius vector with a velocity increasing as its distance from the pole increases, its polar equation being r=aθ, or θ=klogr |
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