在飞行时，当伞翼变的极度容易折湾及崩溃时，攻角只能被调整至一个非常小的角度。
In flight, the Angle of attack can only be adjusted to a small degree, as the wing is highly pliable and subject to collapse.
除了变装，还可以凌空变出大洋伞，高举伞后更变出冲浪板，赢得台下观众如雷的掌声。
In addition to costume changes, Chen produces an umbrella and even a surfboard from thin air, winning rounds of applause from the audience.
提出一种伞式可折叠柔性变胞机构，该机构综合了变胞机构和柔性机构两大特点。
Some characters of compliant mechanism can improve the performance and efficiency of metamorphic mechanism. An umbrella foldable compliant mechanism is proposed in this paper.
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