它是Shiro框架的核心，充当“保护伞”，引用了多个内部嵌套安全组件，它们形成了对象图。
It is the heart of Shiro's architecture and ACTS as a sort of 'umbrella' object that references many internally nested security components that form an object graph.
在分析数字图像中数字水印所受各种攻击的基础上，给出了一个基于数字水印技术的数字图像版权保护安全协议框架。
On base of analysis of watermarking attacks on digital images, the paper presents a digital image copyright protection protocol based on digital watermarking technology.
设计了一个通用的基于移动代理的主动网络安全框架，其符合主动网络安全工作组提出的主动网络的安全规范，能有效地保护主动结点的资源。
A universal security framework based on MABAN is designed according to an security standard of active networks security working group (ANSWG), which can protect the resource of an node effectively.
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