| 单词 | Euler's criterion |
| 释义 | Euler's criterion [`ȯi·lǝrz krī`tir·ē·ǝn] MATHEMATICS A criterion for the congruencexn≡a (mod m ) to have a solution, namely that aϕd≡1 (mod m ), where ϕ = ϕ(m ) is Euler's phi function evaluated at m, and d is the greatest common divisor of ϕ and n. |
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