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2000年3月回日欧盟委员会批准了到目前为止最大的航空发动机项目，总投入达回亿欧元以上，用于开发新一代环境友好的高效航空发动机技术。开发环境友好的高效航空发动机（EEFA）的目的是在喷气发动机技术的基础上在效率和降低环境污染方面作出重大的改进，以便满足新的千年对航
Back in March 2000 The European Commission approved the largest aeroengine project to date with a total investment of more than a billion euros for the development of a new generation of environmentally friendly and efficient aeroengine technology. The goal of developing an eco-friendly and efficient aeroengine (EEFA) is to make significant improvements in efficiency and environmental pollution based on jet engine technology in order to meet the new Millennium Air Navigation