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. Aircraft after the sale, leasing companies to finance leaseback of aircraft, leasing aircraft from a period of 5 years from delivery. 飞机出售后，公司以融资租赁方式回租飞机，租赁期限为自飞机交付起5年。
3. Taxiing model of aircraft antiskid brake system was established by compositive considering aircraft economy, aircraft wheel, tyre and runway status. 综合考虑飞机机体、机轮、轮胎和跑道状况的特性，建立了飞机防滑刹车的滑跑模型。
4. Surge pressure in an aircraft aerial refueling system are presented for a sudden disconnect between a tanker aircraft and a receiver aircraft. It is harmful to the system. 飞机空中加油过程中，存在着因加油机和受油机突然分离而产生的压 力冲击问题，该冲击压力对系统有很大的危害。
5. NASA said the "aircraft in the future" will represent the aircraft's R &D "n +3" generation, that is, than the existing commercial air transport aircraft and advanced generation 3. 美国宇航局称，“未来飞机”将代表飞机研发的“n+3”代，即比现有的空中商业运输飞机先进3代。
