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为了节省噪声审定成本,在原型机噪声—功率—距离数据库的基础上,根据原型机和衍生型飞机静态发动机的噪声测试数据来预测飞机飞行中的噪声。
To save on noise validation costs, based on the prototype noise-power-distance database, the aircraft flight noise is predicted based on the noise test data of prototype and derivative aircraft static engines.