The wake of a hovering rufous hummingbird .
棕煌蜂鸟悬停时引发的尾流。
ON THE WING The wake of a hovering rufous hummingbird, top.
棕煌蜂鸟悬停时引发的尾流。
The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.
棕煌蜂鸟悬停时引发的尾流。黄色的矢量位点是通过粒子图像测速技术显现的气流速度。
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