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飞机水平飞行的最大和最小速度一般是根据与马赫数成函数关系的发动机推力系数曲线C_P和飞机阻力系数曲线C_X的交点来确定,(图一,a)。
The maximum and minimum speed of aircraft flight are generally determined based on the intersection of the thrust coefficient curve C_P and the resistance coefficient curve C_X of the aircraft as a function of the Mach number (Figure 1, a).