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
- Xia Luanxiang
- Xialu Qu
- Xiamaling Formation
- Xiamei Minsucun
- Xiamem Ring Road Park
- Xiamen Bailuzhou Park
- Xiamen Dao
- Xiamen Extraordinarily Serious Smuggling Case
- Xiamen Gezai Opera Center
- Xiamen Haicang Bridge
- Xiamen Jinliansheng Gaojia Opera Troupe
- Xiamen Library
- Xiamen Meiya Pico Information Co.,LTD.
- Xiamen Municipal Archives
- Xiamen Municipal Council
- Xiamen Museum
- Xiamen Nanyin Troupe
- Xiamen Olympic Museum
- Xiamen Science and Technology Museum
- Xiamen Shanhai Healthy Trail
- Xiamen Shi
- Xiamen University
- Xiamen University Libraries
- Xiamen Vernacular Word
- Xiamen Wan