最后，在以上基础之上对其中的网上招投标系统进行了设计。
Finally, on the basis of above work I designed the network bidding system.
利用群签名体制给出一个可撤消投标者的安全的网上招投标方案。
This paper utilizes a group signature scheme to propose a secure scheme of bidding and tendering on Internet with revocation of bidder.
论文对于建立一个安全、高效的电子商务安全平台，和实现网上招投标具有非常现实的意义。
This dissertation is valuable for the reference of establishing a security and high efficiency electronic commerce platform, and network bidding system.
介绍了目前设备采购招投标的现状与存在的问题，并分析和建立了网上招投标系统的体系结构、网络架构和功能结构。
Introduces the questions and situation of the bid of procurement, and analyses and designs the system architecture, network framework and function construction.
有效地解决在网上招投标系统中电子文稿的签字盖章问题，并使得这些电子文稿具有法律效力，也使得网上招投标系统更具有实际应用价值。
The effective solution to the issues of signature and seal in online bidding system makes the electronic documents have legal effect and makes the online bidding system have more practical value.
有效地解决在网上招投标系统中电子文稿的签字盖章问题，并使得这些电子文稿具有法律效力，也使得网上招投标系统更具有实际应用价值。
The effective solution to the issues of signature and seal in online bidding system makes the electronic documents have legal effect and makes the online bidding system have more practical value.
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