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要考虑到各方面的影响因素对实际运输距离的影响,为了提高评估的准确性需要引入多种参数把评估的影响因素考虑进去各城市间沟通运输问题选择距离函数作为评估模型时,即运用连续函数对路网进行评估分析时,应该尽可能的准确。要考虑到各方面的影响因素对实际运输距离的影响,为了提高评估的准确性需要引入多种参数把评估的影响因素考虑进去,例如两个城市间的道路,由于受到地形、经济、环境等因素的影响,并不是走的直线距离,因而在路网的评估中要增加参数来提高准确性,所以就要引入距离范式来建模分析。
In order to improve the accuracy of the assessment, various parameters need to be taken into consideration to consider the influence factors of the assessment. When selecting the distance function of communication and transportation problems among cities as the evaluation model, continuous Functions should evaluate the road network as accurately as possible. To take into account the impact of various factors on the actual transport distance, in order to improve the accuracy of the assessment, various parameters need to be taken into consideration to assess the impact of factors, such as the road between two cities, due to topography, economy, environment, etc. Therefore, it is necessary to introduce the distance paradigm to model the analysis.