1. Because the "fixed-wing aircraft" includes aircraft and gliders, and the "fixed-wing aircraft" is a repeated call, because "aircraft" had been included in the fixed-wing content. 因为“固定翼航空器”包括飞机和滑翔机，而“固定翼飞机”则是一个重复的称呼，因为“飞机”就已经包含了固定翼的内容。
2. The missile was launched from a mobile launcher and it hit a target attached to a pilotless aircraft. 这次的三叉戟导弹是从一个移动发射架发射的，导弹击中了无人驾驶飞机拖带的目标。
3. A novel road detection and tracking algorithm for intelligent pilotless aircraft applications was illustrated. 介绍了一种新的面向智能无人机应用的道路检测与跟踪算法。
4. The aerofoil rib parts for pilotless aircraft was manufactured by using mold pressing process with epoxy resin as matrix materials and glass cloth as enhancement materials. 以环氧树脂为基体，以玻璃布和碳布为增强材料，采用模压成型工艺制备了某型无人机机翼环肋复合材料结构件。
5. The missile was launched from a mobile launcher and it hit a target attached to a pilotless aircraft. 这次的三叉戟导弹是从一个移动发射架发射的，导弹击中了无人驾驶飞机拖带的目标。
