... 船身式直升机 boad-hulled helicopter 带翼式直升机 winged helicopter 浮筒式直升机 buoyant helicopter ...
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For this reason, the samara has no stationary frame of reference, unlike a two-winged helicopter, and appears to fall in a complex way.
因此，翅果没有稳定的参考结构，不像双翼直升机，并且它在降落中呈现出复杂的方式。
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