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1996年,中国国际航空公司的一架客机,安装了美国研制的RDA-4B前视风切变检测及预防雷达系统,成为世界上第一架装有风切变预警系统的波音747飞机。消息见报后,人们不禁问道何谓风切变?它对飞机有何危害?
In 1996, a passenger plane of Air China installed the RDA-4B forward-looking windshear detection and prevention radar system developed by the United States to become the world’s first Boeing 747 aircraft equipped with a windshear warning system. After the news is read, people can not help but ask what is the wind shear? What harm it has to the aircraft?