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1·The Soviet Union releases Frances Gary Powers, an American U-2 pilot shot down while on a reconnaissance flight over its territory.

苏联释放，美国加里权力西斯U-2飞行员击落一侦察飞机在其领土。

2·The reconnaissance bay is lowed during imagery reconnaissance mission and retracted into the fuselage during high-speed flight.

侦察舱在图像侦察任务时降下而在高速飞行期间缩回进机身之内。

3·Design principles of the flight control and managing computer of a small reconnaissance UAV are presented.

论述一种小型无人侦察机的飞行控制与管理系统计算机的基本设计思想。

4·The coverage flight path planning is very important to enhance the UAV's abilities of reconnaissance and target searching.

覆盖航迹规划技术对于提高无人机的侦察能力和目标搜索能力具有重要的意义。