Agriculture is the foundation of the national economy, and agricultural materials are the
basis of agricultural development. As the three rural issues (agriculture, countryside, and …

English Agriculture is the foundation of the national economy, and agricultural materials are
the basis of agricultural development. As the three rural issues (agriculture, countryside, and …

随着我国经济持续向好发展, 物流业也随之发展迅速, 绿色物流已成为当前物流行业研究的热点
课题. 论文通过高德地图APP 测算两地之间的高速距离和非高速距离作为配送实际距离 …

In view of the problems of constant speed and single carbon emission calculation method in
the distribution model of fresh agricultural products in the transportation link of agricultural …

随着信息技术和经济的发展, 人们的生活品质也在不断提升, 人们对生鲜产品的需求不断增加,
对冷链运输的需要也随之提高. 生鲜产品不易储存的特点促使冷链物流迅速发展 …

本文以物流配送过程中的车辆路径优化问题为研究对象, 对车辆路径优化的理论和方法展开系统
研究. 通过对标准车辆路径问题增加约束条件, 建立起了扩展的车辆路径优化模型 …

Under the fierce market competition and the demand of low-carbon economy, the freshness
of fresh products directly determines the degree of customer satisfaction. Cold chain logistics …

为提高车辆配送效率, 节约配送成本, 建立了以配送路径和成本综合最优为目标的车辆配送路径
问题数学模型. 设计并实现了一种智能混合算法, 首先利用具有自适应交叉率和变异率的改进 …

针对农业供应链的运输环节中生鲜农产品配送模型存在的速度恒定, 碳排放计算方法单一的问题
, 本研究结合路网时变特征和新的多车型碳排放计算方法, 提出了考虑配送距离 …