信息安全 信息系统安全防护技术 释文 password aging 口令生命期
- pre big bang model
- pre-big-bang model
- prebigbang model
- Prebisch-Singer hypothesis
- preboiler
- preboring
- prebox
- prebuckling
- prebunched
- prebuncher
- prebunching
- precalciner control system
- pre-calculation
- pre-C*-algebra
- precaliber
- precamber
- precambrian
- precambrian flora
- precapiliary resistance vessel
- precapillaly sphincter
- pre-capitalist law of population
- precarburization
- precast
- pre-cast concrete
- precast concrete double T slab