1)  security context
					 
	
					
				
				 
	
					
				安全上下文
				1.
					This method is complicated and fallible in a large system,so an automatic User-Role Assignment(URA) model is proposed based on attribute and security context constraints,and an Automatic URA(AURA) algorithm is presented,which realizes the model of AURA.
						
						该文建立基于属性与安全上下文约束的用户角色自动指派模型,给出用户角色自动指派算法,实现用户角色指派的自动化,保证指派后系统的灵活性与安全性,为RBAC模型在大型系统中的应用创造条件。
					2.
					Some terms related to GSSP are defined, and a minimum set of primitives of GSSP is proposed, which includes security context management, security association management, and message encapsulat.
						
						定义了 GSSP相关概念和一个最小服务原语集合 ,包括安全上下文管理、安全联合管理、报文封装原语 。
					3.
					The architecture,security models and security context of SELinux was studied in detail,and as an example,how to customize the Apache HTTP SELinux policy to enhance system security was also demonstrated.
						
						详细研究了SELinux的体系结构、安全模型和安全上下文,并以Apache服务器为例,介绍了如何定制SELinux以实现安全增强。
					
					2)  security context transfer
					 
	
					
				
				 
	
					
				安全上下文转移
			
					3)  loading island
					 
	
					
				
				 
	
					
				乘客上下车安全岛
			
					4)  underwater security
					 
	
					
				
				 
	
					
				水下安全
				1.
					Based upon the demands of underwater security,analyses of possible underwater threats are provided.
						
						结合水下安全的需求,对可能的水下威胁进行了分析;针对可能的水下威胁,提出了近岸水下反恐安全系统的整体方案, 并对其组成进行了详细的介绍。
					
					5)  safe descent
					 
	
					
				
				 
	
					
				安全下沉
			补充资料:下文
		1.文中某句或某段以下的文字。  2.比喻事情的发展或结果。
		
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