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。
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.
该工程的经济内部收益率为13.41%，大于社会贴现率12%，所以该工程在经济上是合理的。
Its economic internal rate of return is 13.41%, larger than its social discount rate 12%, therefore, the project is economically rational.
根据第三部分中风险分析的结果，编制了项目可行性研究经济指标、成本估算表、现金流量及内部收益率、利润测算表、敏感因素的影响等一系列表单；
A series of tables are formulated on the economic indices adopted in the feasibility study of the project, cost evaluation, cash flows, internal earnings, profit evaluation, sensitive factor analysis.
以最佳施肥处理N75P200K50的经济效益最好，投入与产出比为1∶2．2，与施肥量最高的处理相比，投入少，产出大，内部收益率为25．96％。
The fertilizer treatment of N75P200K50 also has the best economic benefit with a ratio for input and output of 1 to 2.2 and a NPV of 25.96%.
文内经过论证，认为应采用差额内部收益率作为经济评价指标较为合适。
Analysis on replacing internal rate of revenue with external rate of revenue in economic evaluation;
税前财务内部收益率为12.24％，高于设定的8％基准收益率，经济效益较好，具有一定的抗风险能力。
Financial profit rate before tax is 12.24%, higher than the planned 8% standard one. The economic efficiency is good and has certain anti-risk ability.
税前财务内部收益率为12.24％，高于设定的8％基准收益率，经济效益较好，具有一定的抗风险能力。
Financial profit rate before tax is 12.24%, higher than the planned 8% standard one. The economic efficiency is good and has certain anti-risk ability.
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