查询词典 access control

A correlation system for Time Division Multiple Access positioning systems is disclosed, whereby a position receiver acquires, tracks, and demodulates a plurality of Code Division Multiple Access modulated positioning signals are pulsed in a Time Division Multiple Access scheme.

公开了一种用于时分多址定位系统的相关系统，借助该系统，定位接收机可以捕获、追踪和解调多个在时分多址方案中被脉冲化的码分多址调制的定位信号。

In order to satisfy the requirement of various space mission simulations and analysis, a standard interface and common service for access to the system resources, that is, resource access protocol, is designed, thus the independencies of resource storage manner and resource representation are realized. The design of resource access protocol introduced the object-oriented hierarchical method.

结合航天任务的仿真和分析对资源管理的要求，总结出资源管理系统应具备的功能和特点；从对分布式仿真资源进行高效管理和使用的角度着手，提出了基于代理的系统构建方式；进而设计了资源管理系统的体系结构，并分别探讨了体系结构的四个层次：基础资源层、通用操作环境、仿真应用接口层和管理控制层。

Brewster Kahle launched the Internet Archive in 1996. From the start it provided Open Access to its mirror of the historical Internet as well as to many special collections.The Internet Archive sponsors the Open Access Text Archive, Ourmedia (http://ourmedia.org/), and the new Open Education Resources project, and cosponsors the Open Access Million Book Project with Carnegie Mellon University.

2.1996年布鲁斯特·卡利建立了互联网档案，从此它提供了开放近用的历史档案如许多典藏，互联网档案主办机构赞助开放近用典藏，Ourmedia( http：//ourmedia.org/)，和新的开放教育资源项目，并且与卡内基梅隆大学共同赞助对一百万本书采开放近用计画。

There is daytime access to our award-winning library; research resources include access to other University of London libraries, the British Library and the British Museum; research students are eligible to apply for an Overseas Research Student award; a number of College studentships for doctoral and research students are also available; research students and their supervisors meet at mutually convenient times; many programmes have evening tuition, leaving the day free to combine directed study with other activities; full computing facilities and support; access to University of London accommodation services; College located at heart of academic London, 5 minutes from the British Museum.

设施白天学生可使用位於校内且曾荣获殊荣的图书馆，可用的研究资源还包括所有伦敦大学的图书馆，大英图书馆和大英博物馆；研究生皆有资格角逐海外研究生奖和奖助学金。研究生与他们的助教定期碰面；许多课程有晚间的加强辅导，白天则可运用於上课和其他的活动。学生有权使用伦敦大学的住宿服务和完备的电脑设备与协助。学校位於伦敦学术中心，距大英博物馆仅五分钟距离。

Role based access control is one kind of access control technologies which has been developed in the recent years.

基于角色的访问控制是近年来发展起来的一种访问控制技术，可降低访问控制的复杂度。

Access control model is the foundation of the realization of access control in the system.

访问控制模型是访问控制实现的基础。

In this paper, the heterogeneity of resource is not discussed and the topic is on the focus of the access control issue in sharing mechanism. The system of information grid consists of heterogeneous administrative domain in which the access control mechanism and security policy are not uniform.

信息网格是一个由访问控制机制和安全策略不同的异构管理域组成的环境，不同的域可能有不同的访问控制目标和要求。

Development, in the traditional access control based on the added attendance and surveillance technology, access control, attendance, and the whole monitoring system together, to reach more than one machine with the effect of real intelligence and security··in one system, even in the traditional analog monitor based on the combination of computer digital video and network communication technologies, has introduced an international leader in the digital real-time monitoring of products and through their own efforts with partners to create the cause of our nation's security.

发展，在传统门禁基础上增添考勤和监控技术，将门禁、考勤、监控系统整和到一起，使其达到一机多用的效果，真正实现智能与安全方范于一体的系统，更在传统模拟监控基础上、结合计算机数字视频及网络通讯技术，不断推出具有国际领先的数字化实时监控产品，并通过自身努力与合作伙伴共同缔造我们中华民族的安防事业。

To regulate policy composition and guarantee its correctness, an algebraic model called APoCA (attribute-based access control policy composition algebra) is proposed for composing access control policy. In APoCA, an authorization relation between entities is described at the attribute level. APoCA fertilizes the existing formal frameworks by taking into account the computation of attribute values.

为了规范策略合成和保障策略合成正确性，基于属性刻画了实体间的授权关系，通过属性值的计算结构扩展了现有的策略合成形式化框架，建立了新的基于属性的策略合成代数模型APoCA(attribute-base access control policy composition algebra)。

Based on the distributed peculiarities of DFP and guiding principles of the access control security of DFP, the access control model of DFP was established.

根据角色的网络资源访问控制的理论，以及统一身份认证的体系结构和功能模型实现了本文的原型系统。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。