物理级 meaning in English

pl physical level

After a brief description of asic design flow adopted by pci target secure chip , the thesis make great emphasis on various methods and skills used in physical design and verification with apollo ii from synopsys
物理级设计：在对pci安全芯片所采用的的asic设计流程简单介绍后，文章重点论述了基于apollo的物理设计和验证方法和技巧。
The safety refers to four layers : the physical layer , the network layer , the system layer and the application layer , which includes many contents such as network insulation , encryption , safety detection and monitoring , safety audit , virus protection , access control , identity certification , data copy and recovery , security management , etc . starting with the application layer of safety system , this article , based on j2ee , researches the privacy protection , completeness , facticity , availability and controllability of information in e - government
其安全性涉及到物理级、网络级、系统级和应用级四个层次，具体包括网络隔离、加密、安全检测与监控、安全审计、防病毒、访问控制、身份认证、数据备份与恢复、安全管理等几十项内容。此课题从安全体系的应用层出发，基于j2ee技术，对电子政务系统中信息的保密性、完整性、真实性、可用性和可控性等方面进行研究。