他们从悬挂式滑翔机和超轻型飞机起步，现在已经转向全尺寸滑翔机以及双座飞行器。
What began with hang-gliders and microlights has moved on to full-sized gliders and now two-seater aircraft.
宇宙飞船2号”由一架飞行器在海拔13700米（45000英尺）处释放，并成功滑翔了11分钟后降落于加利福利亚州的摩哈维沙漠。
SpaceShipTwo was dropped from an aircraft at an altitude of 13, 700 metres (45, 000 feet) and glided successfully for 11 minutes before landing in Mojave, California.
针对高超声速再入飞行器最远距离滑翔制导关键技术，设计了一种新型制导律。
A novel guidance law is devised for developing the guidance technology of optimal glide of a hypersonic reentry vehicle.
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