| 单词 | logistic curve |
| 释义 | logistic curve [lǝ`jis·tik `kǝrv] STATISTICS 1. A type of growth curve, represent- ing the size of a population y as a function of time t: y = k/(1 + e-kbt), where k and b are positive constants. Also known as Pearl-Reed curve. 2. More generally, a curve representing a function of the form y = k/(1 + ecf(t)), where c is a constant and f (t ) is some function of time. |
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