依法必须进行招标的项目，自招标文件开始发出之日起至投标人提交投标文件截止之日止，最短不得少于(14)日。

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Due to a constantly(71)environment, a poor understanding of the user's needs and preferences, as well as a(72)of willingness to modify(73)organizational structures and decision models, the full economic potential of Web.

 Information Systems(WIS)has not been realized by now. The data object types of the(74)meta. model, the Extended World Wide Web Design Technique(EW3DT), provide hypertext designers(75)a conceptual, user-centric framework and graphical notation for the construction of both, reference and customized models, during the software development process of commercial WIS. A reference model as a normative concept represents an abstraction of a typical company, its functional units, or its(Web)Information Systems and is intended to streamline the design and implementation of complex applications at reduced costs. As precondition for pursuing a partial globalization strategy, EW3DT distinguishes between technical and content-specific responsibilities for designing, implementing, and maintaining WIS.

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