Each role must be defined in the deployment descriptor of each Web or enterprise application, and security constraints must be created to secure each authorization-controlled resource.
必须在每个Web或企业应用程序的部署描述符中定义每个角色，并且必须创建安全约束来保护每个授权控制的资源。
Secure access to services: Enterprise beans permit various method-level security features to be declared in the deployment descriptor.
对服务的安全访问：企业beans允许在部署描述符中声明不同方法级别的安全特性。
As a key element in secure wireless sensor networks, routing protocol security constitutes a potential block to impending wide deployment of wireless sensor networks.
路由协议安全作为传感器网络系统安全中尤为重要的环节，是制约无线传感器网络应用的关键。
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