是一家专业从事一卡系统开发、生产、销售和服务的专业公司。
Is a professional engaged in one card system development, production, sales and service of professional firms.
所以说，使用ID卡来做系统，难以进行系统扩展，难以实现真正的一卡通。
Therefore, the use of ID card system do, it is difficult for system expansion, it is difficult to realize a real card.
通过此方案的实施，安全地实现了“一卡多用”系统中应用的动态下载、更新和删除。
With the solution, the dynamic download, refreshment and deletion in Multi-application card system can be accomplished safely.
校园一卡通系统是以ic卡为信息载体的适用于校园消费和管理的网络系统。
The system of all-purpose card of campus is a network system which is suitable for consuming and management of the campus, taking IC card as information carrier.
并在此基础之上，把运用于诸如电子商务等其他领域中的数字签名技术引入“校园一卡通”系统，设计出了校园CPU卡的密钥管理系统。
After do this, the paper introduce the digital signature which used in other domain such ase-commerce into "campus Cards System" then design the campus CPU card key management.
首先提出了校园一卡通系统的总体方案设计。提出了卡的选择，卡上信息的存储、读卡器的设计、卡的加密和认证。
Firstly, design of the whole system Project and the option of card, information stock and the design of card reader, the encryption and certification of card.
通过对智能卡结构详细的分析，提出针对一卡通系统的文件结构设计方案和文件访问权限控制策略，并对智能卡的安全问题进行了分析，提出了相应的解决思想。
Through the detailed analysis of the smart card architecture and safety, the article advance a valuable resolution for the smart card file architecture designing and file access control setting.
本文所要研究的黄山旅游一卡通项目，是一个以智能卡作为载体的旅游电子商务系统。
Huangshan e-card project researched in this thesis is a tourism e-commerce system which makes smart card as intermediate.
通过此方案的实施，安全地实现了“一卡多用”系统中应用的动态下载、更新和删除。
Finally the security of this system wais discussed. With the solution, the dynamic download, refreshment and deletion in Multi-application card system can be accomplished safely.
该一卡通系统通过重新规划卡结构，并改造硬件设备，实现了一卡通用。
Through re-planning card structure and transforming the hardware devices, the card system attains the achievement of using only one card.
研究成果为城市公共交通一卡多用系统建设与运营提供了理论依据。
The result can provide a kind of theoretical support for the construction and operation of the system development.
论文根据混合式数字现金支付模式设计了混合模式的“一卡通”体系，融合了基于宽带网络和智能卡终端系统的功能，使智能卡应用与网络电子商务相结合。
The dissertation devised one card system according to multi-payment of e-cash which can help realize the community multi-payment mode, then combined the application of smart card and e-business.
本文系统全面地介绍了各类IC卡的性能及其广阔的应用前景，重点强调了非接触式CPU卡的安全保密性和“一卡多用”。
In this article, the features and prospective application are introduced, and the security of untouching CPU card and its function of "one card with multiple usages" are particularly emphasized.
本文系统全面地介绍了各类IC卡的性能及其广阔的应用前景，重点强调了非接触式CPU卡的安全保密性和“一卡多用”。
In this article, the features and prospective application are introduced, and the security of untouching CPU card and its function of "one card with multiple usages" are particularly emphasized.
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