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
- geographical or landscape film
- geographical parameter
- geographical patterns of vegetation in China
- Geographical Perspectives on Islands Development and Conservation in China
- geographical polymorphism
- geographical process
- geographical race
- geographical regionalization in China
- geographical relationship community
- geographical representation environment
- geographical routing
- geographical scale
- geographical space
- geographical spatio-temporal process
- geographical strain
- geographical subspecies
- geographical system
- geographical time
- geographical variation
- geographical variety
- geographical visualization
- geographic base map
- geographic computer simulation
- geographic coordinate
- geographic coordinates