铁路货运量;
Analysis of Qinhuangdao South Station freight volume, high-priority cargo freight category, key enterprises loading, the Railway Bureau of movement of traffic, road diversion rail supply, operating income targets and the transport of cargo freight market conducted a survey of and traffic forecasts.
分析了秦皇岛南站货物运量、高运价重点货物品类、重点企业装车、各铁路局去向运量情况、公路分流铁路货源情况、经营指标及运输收入情况,对货运市场货源情况进行了调查及运量预测。
Forecast on Temporal Sequence of Railway Freight Transport Volume based on BP-SA Mixing and Optimizing Solution
基于BP-SA混合优化策略的铁路货运量时间序列预测
纳米英语 · 双语娱乐资讯
纳米英语 · 高考英语