The key technique of the project of the high-speed rotorcraft is the shift smoothness of lift and power.

高速型方案的关键技术在于转换过程中升力、功率及操纵是否能平滑过渡。

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The key technique of the project of the high-speed rotorcraft is the shift smoothness of lift and power.

高速型方案的关键技术在于转换过程中升力、功率及操纵是否能平滑过渡。

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