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
- fence poset
- Fences
- fenchane
- Fenchel
- Fenchel conjugate function
- Fenchel theorem
- Fenchel Young inequality
- Fenchel-Young inequality
- Fen Chinese spirit
- fenchone
- fencing
- fencing area
- Fending Dances of Kongxingmu
- fend money
- fenestra
- fenestra vestibuli
- Fen-flavor liquor
- fenfuram
- Feng
- Feng and Hao
- Feng and Sao
- Feng Ba
- Feng Ban
- Feng Ban's Miscellanea
- Feng Bao