| 单词 | exponential distribution |
| 释义 | exponential distribution [´ek·spǝ`nen·chǝl dis·trǝ`byü·shǝn] STATISTICS A continuous probability distribution whose density function is given by f (x ) = ae-ax, where a > 0 for x 0, and f (x ) = 0 for x ≤ 0; the mean and standard deviation are both 1/a. |
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