Research on an isochrone approach and its shortest routing algorithms based on gis 等时线分析方法及其最佳路径算法研究
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Modified isochrone method 改进等龄线法
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The respective linear and nonlinear model parameters are determined according to these isochrones " elastic - plastic deformation segment 分别根据该曲线的弹、塑性变形段确定相应的线性、非线性模型参数。
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Based on the feature of subgrade construction and with the analysis of the observed settlement data , a series of stress - strain isochrones are arranged in this paper 本文基于高速公路路基填筑的特点，通过实测沉降资料的分析，整理出一系列应力应变等时曲线。
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In t - tia , the article takes isochrones as the form which represents traffic impact area . this article also gives practical procession method of using the software - - trips , which is a mature software in traffic planning field 为了验证基于时间的交通影响范围量化方法的科学性、准确性和可操作性，本文提出了如何利用交通规划软件trips进行计算的实际操作方法。
