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实证统计研究
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  empirical statistical investigation
     We use a sequence of the satellite photos to show the network configuration of the rivers in Yangtse drainage basin,and also choose 2232 anabranches,which belong to 11 river levels for making an empirical statistical investigation. The river level is defined as the number of converging points of two rivers,which the anabranch needs to cross for entering the sea.
     我们使用系列的卫星拍摄照片显示长江流域河流的网络形态,并且选择了11个河流级别(支流的级别定义为从此支流通向海洋必须经过的两条河流汇合点的数目)、2232条支流进行了实证统计研究
  相似匹配句对
     applied research.
     实证研究
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     Empirical research.
     实证研究
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     Concerning the research method, they emphasize on the method of demonstration and statistics.
     在研究方法方面,注重实证统计方法。
短句来源
     The Experimental Research of “A Set of Questionnaires of Town and Village”
     《乡镇统计一套表》实证研究
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     Statistical Test: The Core of the Positive Accounting Research Method
     统计检验:实证会计研究方法的核心
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The paper first reviews the findings of Mr. Hollis Chenery's study on the correlation between urbanization and economic development. Then, based on statistical study, the general correlation models of urbanization and economic development are formulated and the key indicators are brought forward. The relevant issues, such as the effects of city structure, the normal range of indicators of urbanization test, the time factors, the impact of development stages, and the differential characters of small and large...

The paper first reviews the findings of Mr. Hollis Chenery's study on the correlation between urbanization and economic development. Then, based on statistical study, the general correlation models of urbanization and economic development are formulated and the key indicators are brought forward. The relevant issues, such as the effects of city structure, the normal range of indicators of urbanization test, the time factors, the impact of development stages, and the differential characters of small and large nations. Some judgments on the urbanization process of China are also put forward.

本文从对广为引用的钱纳里关于人均国民生产总值(GDP)与城市化率关系论述的辨析出发,在实证统计研究的基础上,得出 城市化发展与经济发展的一般关系模型与发展指标。论文中还探讨了特大城市人口比重对于城市化进程的协同作用,城市化 水平评价中的正常区间问题,时间因素的影响,发展的阶段特征以及大国与小国的城市化进程的不同特征。此外还针对我国 的城市化进程问题提出了若干新的见解。

>=We use a sequence of the satellite photos to show the network configuration of the rivers in Yangtse drainage basin,and also choose 2232 anabranches,which belong to 11 river levels for making an empirical statistical investigation.The river level is defined as the number of converging points of two rivers,which the anabranch needs to cross for entering the sea.The investigated statistical rules include the dependence of the number of anabranches on the river level,the dependence of the total area of the drainage...

>=We use a sequence of the satellite photos to show the network configuration of the rivers in Yangtse drainage basin,and also choose 2232 anabranches,which belong to 11 river levels for making an empirical statistical investigation.The river level is defined as the number of converging points of two rivers,which the anabranch needs to cross for entering the sea.The investigated statistical rules include the dependence of the number of anabranches on the river level,the dependence of the total area of the drainage basin on the river level,the dependence of the total length of the anabranches on the river level,and the distribution of the relationship between the anabranch area of the drainage basin and the length of it.The statistical results are consistent each other that indicates the creditability of the investigation.Comparing with the empirical investigation on Mississippi river drainage basin.our results show that the statistical rules are in qualitative agreement that shows the network structure of river drainage basin is universal.

我们使用系列的卫星拍摄照片显示长江流域河流的网络形态,并且选择了11个河流级别(支流的级别定义为从此支流通向海洋必须经过的两条河流汇合点的数目)、2232条支流进行了实证统计研究。包括每一级的支流条数对级别的依赖关系、各级支流流域总面积对支流级别的依赖关系、各级支流总长度对支流级别的依赖关系,以及支流流域面积与河流长度关系的分布。这些统计结论可以互相验证,说明了它们的可信程度。与美国密西西比河流域的统计结果相比,我们的统计规律基本定性地相符,说明河流流域的地理网状结构具有普适性。

>=We suggest a complex and sell'-adaptne dynanmie model for simulating the economic development and trade between the open ports in Yangtse drainage basin,and take our empirical statistical investigation result about the accumulate distribution of the throughput of the open ports in Yangtse drainage basin as the bases for checking up the correctness of the model.The simulation of the model shows that the model can self-organize to the empirical statistical rule for the distribution of the throughput of the open...

>=We suggest a complex and sell'-adaptne dynanmie model for simulating the economic development and trade between the open ports in Yangtse drainage basin,and take our empirical statistical investigation result about the accumulate distribution of the throughput of the open ports in Yangtse drainage basin as the bases for checking up the correctness of the model.The simulation of the model shows that the model can self-organize to the empirical statistical rule for the distribution of the throughput of the open ports with time developing.It indicates that the model is rather reasonable.We believe that the influence of disturbance on a system can show the system is simple or complex in certain extent since the influence of disturbance on a simple system can only state or distinguish the stability of the system,only the disturbance to a complex system may generate new structure or configuration.Therefore we suggest studying the influence of disturbance on the model.The results show that disturbance may induce obvious increase of the averaged throughput of the open ports that indicates under a random disturbance (a randomly chosen open port suddenly decrease its production) the most possible influence is that other open ports take the opportunity to enlarge their trade scale.It is very possible that the disturbance serves as an important factor in the healthy development of a complex and self-adaptive trade model.

我们建议一个复杂自适应地模拟长江流域经济发展和港口贸易的动力学摸型,并且把我们对长江流域港口吞吐量的累计分布所作的实证统计研究结果作为检验模型模拟结果正确与否的主要依据。对这个模型的数值模拟显示符合长江流域港口吞吐量累计分布的实证统计研究规律可以随着时间的发展由模型自组织地产生,说明这个模型具有一定的合理性。我们认为微扰对一个系统的影响可以在一定程度上说明系统是简单还是复杂,因为对于简单系统微扰的影响只能说明或区别系统的稳定性, 只有对复杂系统的微扰才可能产生新的结构、形态。因此我们建设研究微扰对这个长江流域经济发展和港口贸易的动力学模型的影响。研究结果说明扰动可能引起港口吐量的显著增加,说明在随机扰动下(任意一个港口突然减产时).最可能的影响是其他港口借此机会扩大自己的贸易。很可能扰动正是复杂自适应贸易模型健康发展的要素之一。

 
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