The appraisal of inland river navigation needs some reasonable and viable methods.
内河航运的综合评价需要借助科学合理、切实可行的评价方法.
互联网
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.
互联网
The quality of river seafarers training defines the safety and development of the river navigation.
内河船员培训质量的高低,决定着内河航运的安全和发展.
互联网