On the basis of analyzing the above-mentioned several issues, the overall traction performance, structural type and application range of fast freight diesel locomotives were investigated.
在分析了以上几方面问题的基础上，对快速货运内燃机车的总体牵引性能，结构形式及运用范围作了探讨。
The heat economic analysis model is set up for analyzing the performance of heat exchanger overall.
建立了热经济分析模型，对热交换器作出全面的性能分析。
The features of important progress of large container ship are presented in the paper. A model for analyzing the overall technical and economic performance of large container ship is proposed.
本文介绍了大型集装箱船的特点和主要进展，提出了大型集装箱船技术经济性能综合评价模型。
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