The research of the appraisal of inland river navigation in our country is less by far 到目前为止,国内关于内河航运的综合评价方面的研究还很少。
At present , physical model is mostly used way in research on river navigation and design of channel improvement 目前在水运科研和航道整治设计中,大多依赖物理模型实验。
The fundamental reason that the development of inland river navigation has not been regarded is short of understanding 内河航运的发展没能得到重视的最根本原因是对内河航运的认识不够。
Inland river navigation plays an important role in civilization spreading , economy development and society advancement in history 古往今来,内河航运在促进我国文明传播、经济发展、社会进步等方面都起到了非常重要的作用。
The thesis analyses the characteristic and actuality of inland river navigation , the characteristic , principles and primary content of the appraisal 论文分析了内河航运的特点、我国内河航运发展现状,内河航运评价的特点、原则和主要内容。