中国首款正向设计自转旋翼机首飞成功
据央视新闻报道，今日， 中国首款正向设计的自转旋翼机在烟台成功首飞。 这标志着我国补齐轻型自转旋翼机短板，在核心技术自主研发、规范化适航体系建设上实现突破。 报道称，此前国内同类产品多为国外代理或授权引进型号。 首飞过程中， 该机累计飞行时长超过38分钟，整机姿态平稳、操控精准，
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