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
- Ishim River
- Ishiuchi Miyako
- Ishizaka Yojiro
- Ishlinskiǐ
- Ishmael
- Ishmael Reed
- ISHPES
- Ishtar Gate
- Ishtar Terra
- ISI
- Isidis Planitia
- isidium
- Isidore Bertheaume
- Isidore of Seville
- Isidorus of Miletus
- ISIE
- I-signature
- Isika Rehetra Miaraka Amin’i Andry Rajoelina
- ISIL (Da'esh) and Al-Qaida Sanctions Committee
- Isimangaliso Wetland Park
- IS Infusion
- Ising
- Ising-Bloch transition
- Ising lattice system
- Ising limit