Capt. Frank Luke, famed World War I ace of the 27th Aero Squadron, wore a leather coat and helmet over his service dress uniform when he went hunting German observation balloons.

弗兰克·卢克，一战期间第27航空联队著名的王牌，在猎杀德国人的观察气球时的穿着是在军便装外加一件皮外套和飞行帽。

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The result shows that these two models can realize the function of predicting the aero-generator's service life.

结果表明，优化前后两种ARMA模型均可对航空发电机的使用寿命实现 预测效能。

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