【摘要】 对航空发动机技术水平提高速度与投资强度这两个概念做了界定。利用有关数据,针对航空涡轮发动机的技术水平提高速度、最大推力、类型(涡喷或涡扇)与投资强度的定量关系建立了的一个数学模型,并对模型的应用进行了探讨。更多还原

【Abstract】 It is defined for two concepts such as improvement rate of technological level and investment strength of aircraft engine.By use of concerning data,a mathematical model is established for quantitative relationship between improvement rate of technological level,maximum thrust,type(turbojet of turbofan) and investement stremgth of aircraft turbine engine.And he application of the model is discussed in detail.更多还原