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
- plane division by circles
- plane division by ellipses
- plane division by lines
- plane domain
- plane electromagnetic wave
- plane except one point
- plane field
- plane field of lines
- plane figure
- plane-filling curve
- plane-filling function
- plane geodetic control network
- plane geometry
- plane graph
- plane grate
- plane grating
- plane group
- plane heterogeneity
- plane hologram
- plane intersection management
- plane involution
- plane lattice
- plane layout ofunderground space
- plane-like
- plane mirror