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所属栏目：百科探秘
所属频道：CCTV-10科教
年份：2010
展开全部
简介：2009年十月一日国庆阅兵式上有一支武装直升机组成的双九机三角编队米秒不差的飞过天安门，这样的队形之前几乎没有先例，直升机之间的间距只有30米加上低空气流的影响，稍有不慎就会相撞，节目里详细揭秘了这样难题是如何解决的。收起
揭秘九机编队（下）
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