交通运输与国民经济发展密切相连,统计工作尤为重要,首先对其重要性做了简单阐述,并介绍了其主要任务,继而列举了一些常用的调查方法,对各自的优劣做了点评,最后根据当前状况分析了如何选择合适的调查方法。 Transportation is closely linked with the development of the national economy. Statistical work is especially important. Firstly, it gives a brief account of its importance, introduces its main tasks, and then lists some commonly used survey methods to make comments on their strengths and weaknesses. Finally, According to the current situation analysis of how to choose the appropriate method of investigation.