Medical Diagnostic X-ray Radiation Source Evaluation of Uncertainty in Measurement

Medical Diagnostic Decision Making Based on Attribute Reduction and Support Vector Machines

基于属性约简及支持向量机的医疗诊断决策研究

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Test and Evaluation of Quality Control of Medical Diagnostic X-ray Equipment in Hefei

合肥市医用诊断X射线机质量控制检测与评价

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Improvement of performance characteristics in protection of medical diagnostic X-ray machines

医用诊断X线机防护改进前后防护性能比较

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Then the method is applied to medical diagnostic decision-making.

将所提方法应用于医疗诊断决策，并对属性约简前后的决策性能进行了比较分析。

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Application And Research of Chinese Medical Diagnostic Expert System

新型中医专家系统的构建及应用研究

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Applications show that this is an advanced and efficient radioactive medical diagnostic instrument.

实用表明这是一种先进有效的核医学诊断仪器。

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With the extreme development of international trade, business English correspondence plays an increasingly important role in international communication.

随着国际贸易的飞速发展，商务英语信函在国际交流中发挥着日益重要的作用。

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Qualitative Stylistic Analysis of International Business Correspondence

国际贸易书信文体的量化分析

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Statistics show that 90% of the world's trade, and over 80% of China's foreign trade is paid in letter of credit.

据统计，目前以信用证方式结算的贸易额占世界贸易总额的90%，占我国对外贸易额的80%以上。

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With the globalization of trade and deepening of China's foreign trade, letter of credit has been one of the most important settlement tools which is widely used in international trade settlement.

随着贸易全球化的推进及我国对外贸易工作的不断深化，信用证结算方式已经成为国际贸易结算中使用最为广泛和最为重要的一种结算方式。

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Firstly, from the theory as transaction cost, combined effect, economies of scale to elaborate the economic significance of trading platform in transaction governance and trade agglomeration deeply: reducing transaction costs, receiving external income, improving transaction efficiency and promoting economic growth.

首先，运用集聚效应、规模经济、交易费用等理论探讨贸易平台所隐含的在交易治理、贸易集聚方面的经济意义。即降低交易成本、获得外部效益、提高交易效率以及促进经济增长等经济效益。

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Worldwide development of tourism industry has proved that cluster can produce external economy, reduce transaction costs and make a good social order to improve those relationships, so the cluster can promote the competitiveness of the regional tourism industry and the regional economic development.

全球范围内旅游产业发展的实践证明，集群能产生外部经济性、减少交易费用和形成良好的社会关系网，从而提升区域旅游产业的竞争力，促进区域经济的发展。

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As lots of positive researches show, enterprise cluster is of inherent advantages of obtaining competitive advantages, such as the external economic effect, transaction cost, and so on.

实证研究揭示了企业群落在获得竞争优势方面具有先天的优势。

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In this paper, I will explore the theory of entropy, the growth pole theory, the theory of external and transaction costs, transportation costs theory, and analyze the internal mechanism of the port of the existence and development of port economy.

本文主要对熵理论、增长极理论、交易费用和外部性理论、运输成本理论等进行探讨，分析港口经济存在与发展的内在机理。

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Therefore, the savings of transaction costs, in order to search transacting Joint and form scale, so that the internal transaction costs are less than external transaction costs, and a variety of specialized cooperative economic organizations ( Listed Cooperative Organizations).

于是，从节约交易费用出发，寻求通过交易的联合，形成规模效益，使内部交易费用小于外部交易费用，便产生了各种专业合作经济组织（简称专合组织）。

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In transformation era, Chinese family business networking production relied on the relationship network to reduce external transaction costs; reducing asymmetric and incomplete information risk arising from opportunism; solving problems brought from the incomplete external market.

转型期中国家族企业网络化生产体系依靠关系网络来减少外部交易成本；减少因信息不对称和不完全引起的机会主义风险；解决外部市场不健全带来的诸多问题。

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The result of this paper shows that increase of the external transaction cost will be benefit for the returns of economic system and eco-environment system, and will bring out two systems all being at their best situation and sustainable development.

最后得到结论：增加外生交易费用是提高经济系统和环境系统效益，进而达到两大系统的双赢与可持续发展的有效途径。

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The intra-market transaction and the external transaction have quite different characteristics, and the components of intra-market transaction cost are different from that of the external-market.

本文认为，内部市场交易与外部市场交易具有完全不同的特征，所以内部市场交易费用的构成有别于外部市场交易费用的构成。

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And that core competency determines whether firm's internal organization management cost is higher than external transaction cost or not, and ultimately determines firm's optimal frontier.

而核心竞争力则决定了企业内部组织管理成本与外部市场交易成本的高低，并最终决定了企业的最优边界。

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On the static level it analyzes the internal and external transaction cost of transnational corporation, and the static boundary and scale of transnational corporation;

从静态方面分析了跨国公司的内部交易成本和外部交易成本，讨论了跨国公司边界与规模的确定；

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