The helicopter is allowed to fall the same distance that it climbed at the beginning of the maneuver before pulling the helicopter back to straight and level flight.
待直升机垂直俯冲的距离与垂直爬升的距离相同时，拉起机头恢复成水平直线飞行。
With increase of pulling velocity, the distance of lamellar structure became smaller.
另外随着生长速率的增加，片层间距减小。
A distribution of camping plots are sheltered by trees but within viewing and hearing distance of each other. The car pulling into each lot serves as the first act of setting up camp.
露营地的分布则被掩映在树丛中，但是又在人们能够相互听到和看到的范围内，车子驶进停车场被当作建立露营地的第一步。
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