尽管电动辅助轮椅越来越需要干扰抑制控制，但是这类研究还不多。
There have been few researches on disturbance attenuation control for power-assisted wheelchairs, although they are getting more requested.
轮椅和其它辅助装置优先客舱存放有哪些要求。
What are the requirements concerning priority cabinstowage for wheelchairs and other assistive devices.
为存放方便而必须拆解旅客的轮椅、移动辅助装置、或其它辅助装置有哪些其它要求。
What other requirements apply when passengers'wheelchairs, other mobility aids, and other assistive devices mustbe disassembled for stowage.
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