permanent ①永久的，永恒的 ②积和式†
permanent 积和式†；永久量；永久的 product-sum form 积和式
理论计算机科学 可计算性与计算复杂性 释文 permanent 积和式
- left-unitary kernel
- left unit element
- left unit subsemigroup
- left unity
- left universal solution
- left vector space
- left ventricle
- left ventricular ejection fraction
- leftward acceleration
- leftward extraction rule
- left weak dimension
- left-wing film movement
- left-wing movement in music
- left wing of an occurrence
- left zero
- left zero divisor
- left zero element
- left zeroid
- left zero morphism
- left zero semigroup
- Lefébure de Fourcy
- Lefévre-Gineau
- leg
- Legacy
- legacy