在默认情况下，以用户级安全性创建类缓存，所以只有创建这个缓存的用户才能访问它。
By default, class caches are created with user-level security, so only the user that created the cache can access it.
基于角色的安全性是一种用户级安全性，主要关注用户的逻辑角色而不是个人身份。
Role based security is described as user-level security which focuses on the logical role of a user rather than the user's individual identity.
集合级安全性用来关联集合与授权用户组。
Collection level security is used to associate collections with sets of authorized users.
通过利用EJB技术的安全性，方案小组得以在应用中保留方法级安全性的同时，抛弃了他们的用户安全框架。
By using EJB technology security, the project team was also able to abandon their custom security framework, while still retaining method-level security in their application.
运行结果表明，该网络能更好地进行现场设备控制和管理，为实现真正用户终端级的、高安全性的控制提供了一个新的解决方案。
Operation results show that with this network, on-site equipment control and management becomes more convenient, which provides customers with an actual user-terminal class control of high security.
铁的安全性：思科了解到，为最终用户和服务提供商的安全性是一个坚实的电信级电话服务的基本要求。
Ironclad security: Cisco understands that security for both end users and service providers is a fundamental requirement for a solid, carrier-grade telephony service.
铁的安全性：思科了解到，为最终用户和服务提供商的安全性是一个坚实的电信级电话服务的基本要求。
Ironclad security: Cisco understands that security for both end users and service providers is a fundamental requirement for a solid, carrier-grade telephony service.
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