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美国政府科技报告
>NACA Conference on Some Problems of Aircraft Operation Held at Lewis Flight Propulsion Lab., Cleveland, Ohio on October 9-10, 1950. A Compilation of the Papers Presented.
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NACA Conference on Some Problems of Aircraft Operation Held at Lewis Flight Propulsion Lab., Cleveland, Ohio on October 9-10, 1950. A Compilation of the Papers Presented.