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1·America and Germany do well in inland river navigation.

美国和德国是内河航运强国。

2·Inland river navigation marks are important navigation aid facilities for safe navigation of vessels in inland rivers.

内河航标是船舶在内河安全航行的重要助航设施。

3·At present this set of systems have already deployed in some inland river navigation ships, and obtained the good effect.

目前此套系统已经在某内河航标船上得到实际应用，取得了良好的效果。

4·On demand of energy-saving and environment protective society, as the most economic and environmental transport, inland river navigation is irreplaceable within an integrated transport system.

在节能环保型社会和资源节约型社会构建的需求下，长江航运作为一种经济性、环保性最佳的运输方式，在综合运输体系中是一种不可替代的运输方式。

5·The system designed in the paper has been used in the subject for National WEST development-han River Navigation Safety Information system, supported by the Ministry of Communications of China.

本设计的成果已经作为交通部西部科研课题-汉江航行安全保障综合信息系统的一部分进行研究开发的。

6·This project, a combination of navigation and hydropower, aims to improve the economic well-being of the majority of the poorest families along the Xiangjiang River in Hunan Province.

内河航运三期项目包括航运和水电，目标是改善湖南湘江沿岸大多数最贫困家庭的经济状况。

7·Navigation was confined to shallow vessels, tricky enough even in the few summer months when the river was free of ice.

航行船只局限于小船，即使在短短夏季数月的无冰期，通行起来也足够困难。

8·At the same navigation locks were built on the other bank of the river.

船闸建在河流的另一岸。

9·Navigation is difficult on this river because of the hidden rocks.

因为河上有暗礁，所以在这条河上航行很坚苦。

10·Sixianjiao is an important waterway connecting the West River with the North River. Eddy flow and shallows in Xijiaokou Channel often hinder navigation and threaten the safety of navigation.

思贤是沟通西、北两江的重要水道，由于西口漩流和浅滩淤积问题，通航经常受阻，安全航行受到威胁。