Risk assessment is the most cost-effective method in dam safety management.

水坝风险管理是最经济有效的水坝安全管理方法。

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But the application in the urban planning is appraised of the cost-effective method, but still not tried.

但本钱效益方法在城市规划方案评价中的运用，却还没有尝试过。

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With a number of examples the paper introduces a safe, reliable, easy and cost-effective method for correcting stern shaft deflection.

本文结合实例介绍了一种安全、可靠、省时、省钱的纠正尾轴弯曲超差的方法。

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But among the key barriers to expanded deployments of CO2-based EOR are the lack of economic CO2, the lack of cost-effective method of sequestering and transporting it, and the cost of compressing the gas.

FORBES: New Markets Emerge for Carbon Dioxide

How can this method of harvesting be cost-effective?

ECONOMIST: New British fiction: Organ failure | The

The only unambiguously effective method of reducing the long-term carbon and energy cost of air travel is to fly less a behavioral change, not a technological one.

WSJ: The Problem With Going Green by David Owen