... 经济管理专家系统 economic management expert system 经济航道 economic waterway 经济航速 economic speed ...
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To evaluate feasibility of a waterway project, the most important index is EIRR, which is calculated based on the economic benefit, investment and maintenance expenditure.
评价航道工程在经济上是否可行，最重要的一个评价指标就是经济内部收益率。
The Yangtze waterway transport plays an important role and occupies an important place in the economic system and the comprehensive traffic system of the basin.
长江水运在流域经济和综合交通系统中占有重要的作用和地位。
The Yangtze River is the golden waterway of our country, it connect the three major economic zones in the southwest, central, eastern of China as a link.
长江是我国内河运输的黄金水道，是连接我国西南、华中、华东三大经济区的重要纽带。
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