- 永久性 yǒngjiǔxìng permanentpermanent; permanence
- 永久磁铁 yǒngjiǔcítiě permanent magneta permanent magnet
- 永久居民 yǒngjiǔjūmín permanent resident
- 永久居留权 yǒngjiǔjūliúquán permanent residency
- 永久居留证 yǒngjiǔjūliúzhèng permanent residencypermanent residency permit
- 永久虚电路 yǒngjiǔxūdiànlù PVCpermanent virtual circuit; a logical connection in a network that remains active even when no data is being transmitted
- 永久冻土 yǒngjiǔdòngtǔ permafrost
- 永久和平 yǒngjiǔhépíng lasting peacea state of peace that continues indefinitely or for a very long period