在飞行中，使发动机以最低速度运转所需的功率，以确保满意的发动机运行和飞机操纵特性
A.The power required to run an engine, in flight, at the lowest speed that will ensure satisfactory engine operation and airplane handling system. B.The power required to run an engine, in flight, at the lowest speed that will ensure satisfactory engine operation and airplane handling characteristics. C.The power required to run an engine, in flight, at the lowest speed that will ensure correct engine operation and airplane handling characteristics.正确答案B
