【摘要】 运用航空运输经济原理，探讨了飞机在寿命周期内经济性变化。在此基础上，使用工程经济的财务评价体系评价飞机经济性优劣。实践证明，用这种方法评价飞机经济性的结果是比较符合实际的。更多还原

【Abstract】 According to the principle of air transportation economics,a study is conducted on the economic variations of aircraft at each stage during its life cycle And on this basis. Using the financial evaluation system of engineering economy. The economic feasibility of aircraft is evaluated. It is proved through practice that the result of the aircraft economic evaluation in this way is acceptable and practical.更多还原