翅痣，是在有些昆虫翅膀上的斑点。
翅痣脉 stigma vein
. The bionics structure also simulates dragonfly's wing naevus to carry a heavy block on the overhanging open-ends. It is found that the hanging heavy blocks on the overhanging open-ends by springs eliminate the vibration effectively.
文中还模仿蜻蜓翅痣的作用，在仿生悬挑结构的自由端施加重物块，结论是用弹簧悬挂重物块于结构上能起到很好地“减振”作用。
参考来源 - 新型空间悬挑结构仿生（蜻蜓翅膀）设计研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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