Secondly, it studies the urban housing market theory of supply and demand in detail, expatiates content and structure, the influencing factor, appraisement index and market balance of it.

其次，本文具体研究了城市住宅市场供需理论，重点阐述了城市住宅市场的市场特征以及城市一级住宅市场供给与需求的结构、影响因素、评价指标和市场均衡等内容。

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On the foundation of each influencing factor in the road traffic safe system, through integration analysis we can find out appraisement index used in traffic accident-prone locations identification.

在综合分析道路交通安全系统中各影响因素的基础上，找出事故多发点的评价指标，用于交通事故多发点鉴别的分析。

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Objective To discuss the appraisement method and offer a quantify survey index of the lower lumbar nerve root canal osteal cubage.

目的探讨下腰椎神经根管骨性容积的评价方法，为神经根管提供一种定量测量指标。

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