Onboard battery-powered computer controls allow the kites to land themselves during extreme weather conditions, or if the tether is severed, and multiple motors provide a backup if one motor fails.
使用电池供电的电脑来控制使风筝飞行姿态，在极端天气条件下或者是系绳出现问题时通过电机来控制，同时配有多台电动机提供备用。
A much more important revelation was the keen degree of attention required for new skills that call on fine motor coordination-requiring the cooperation of multiple small muscles.
一个更重要的启示是敏锐的注意力需要新的技能，要求精细运动协调，需要多个小肌肉的合作。
Some information on the progress of new techniques of nondestructive testing (NDT) applied in solid rocket motor propulsion and de-bonding of multiple interface is discussed in this paper.
文中阐述了无损检测新技术在固体发动机推进剂及多界面脱粘方面取得进展的部分情况。
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