Suppliers are the source of the green supply chain, so how to choose green supplier is a typically multi-objective, multi-criteria and unstructured problem for pharmaceutical enterprises.
供应商是绿色供应链的源头，医药企业绿色供应商选择是一个典型的多目标、多准则、非结构化的问题。
But for whatever reason, the semantic Web hasn't taken off, and the problem of finding structured data in an unstructured world remains.
而无论如何，语义Web尚未消失，所有在非结构化世界中寻找结构化数据的问题依然存在。
The method we raise here solves the problem of how to extract structured information from unstructured texts.
此方法有效地解决了从非结构化文本中抽取结构化信息的难题。
The calculating domain is parted into several sub-domains, and structured and unstructured grid are used separately in different sub-domain to solve the problem met in the process of grid building.
计算区域分解成几个子区域，并在各子区域单独使用结构化和非结构化网格，解决了网格生成中遇到的难题。
It still remains a difficult problem of how to improve the searching efficiency in unstructured P2P network with the use of duplication technology.
如何利用副本技术来提高非结构化P 2 P网络的资源搜索效率仍是目前尚未有效解决的难点之一。
A new method via unstructured model is presented for analysing the system described by impulse response function and solving its optimal control problem.
给出了一个利用非结构模型求解、用脉冲响应函数描述的系统的分析和最优控制问题的新方法。
An user knowledge based na? Ve bayes classifier was proposed in order to conquer the problem that most of the E-mail is unstructured and need users decoding.
在垃圾邮件分类和朴素贝叶斯算法研究的基础上，提出了基于用户知识的贝叶斯分类算法。
The research object of the paper is the free-riding problem which widely exists in the unstructured P2P networks.
本文的研究对象是无结构对等网络系统中广泛存在的搭便车问题。
The research object of the paper is the free-riding problem which widely exists in the unstructured P2P networks.
本文的研究对象是无结构对等网络系统中广泛存在的搭便车问题。
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