od survey meaning in Chinese

起讫点调查

2 ) the methods of demand forecast studys deeply , which will instruct some cities in the aspect of the od survey and forecast . 3 ) the investigating and analysis in zigong is detailed , scientific and easy to put into practice
2 )需求预测方法阐述深入，将对当前一些城市在od调查与预测上无从着手有指导意义； 3 )自贡市的调查与分析比较详细，具有科学性与实践性。
For the reasonable planning and construction of the highway network in medium - sized cities , at first , the thesis has compared the condition of china with one of foreign in the construction of highway network and presented the existing problems . in the foundation of the theory and methods of the planning of highway network , a series of principle and methods has been advanced , such as the method linked the method of gross control into 4 - step - forecast method . the thesis has discussed the data the od survey needed and the theory and methods of traffic demand forecast
本论文从中小城市公路网建设合理规划的角度出发，首先将中国的公路网建设情况与国外进行对比，指出了我国目前在公路网规划中所存在的问题，随后在研究公路网规划的理论与方法的基础上，提出了一系列的原则与方法，如总量控制与四阶段法相结合的方法等，探讨了进行交通调查所需要的数据信息、需求预测的理论与方法以及相关的影响因素。