在利维的健康状况开始下降之后，有一回麦道夫安排了一架直升机送他去治疗。
Once, after Levy's health began to fail, Madoff arranged for a helicopter to transport him for medical treatment.
铁路公司为乘客们安排了旅游项目，可以乘穿梭巴士进城，也可以乘直升飞机观光。
Passengers could take one of several tours the railroad had organized, from a shuttle bus into town to a helicopter ride.
安排副翼、降舵及主旋翼螺距的打舵时机，使得直升机能保持固定的高度、进方向及速度。
Time the input of the cyclic& collective commands such that the helicopter maintains constant altitude, direction& speed.
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