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.
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。
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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.