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animal
>
鞘翅
Contents
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No. 1
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Related Phrases
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Containing Phrases
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No. 1
昆虫的翅类型之一。
鞘翅
(elytron,复数elytra) 全部骨化,坚硬,主要用于保护后翅与背部;如
鞘翅
目昆虫的前翅。
亦称翅鞘。甲虫类的前翅全部变硬,角质化,与其说是用于飞翔,不如说是用于保护。在静止时后翅重复摺迭,前翅在上面覆盖着,这种前翅称为
鞘翅
。飞翔时
鞘翅
不振动,借助于紧张的收缩(tonic contraction)和胸侧内突(self-locking apo-demes)的助力,被固定在从水平线扩展到30—45°,专靠后翅的力量飞翔。
Related Phrases
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jeopardize
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changjiaoxiang
Wikipedia Daquan
Containing Phrases
Coleoptera
hemelytron