A group of GTC-F model hydraulic elevator is working on "Magic Boat" aeroboat experimentalbutting site.
一组GTC—F型液压升降机在“神舟”号飞船试验对接现场工作。
The low altitude data acquisition technology by unmanned aerial vehicle and aeroboat played important role in urban spatial information acquisition and updating.
无人机、飞艇等低空获取技术在城市空间信息的获取和更新方面发挥了积极的作用。
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