n. arachnidan
海蜘蛛与陆生蜘蛛之间存在了明显的区别，它们很可能与所有现代节肢类动物拥有一个共同的祖先，节肢类包括昆虫、甲壳类以及其他具备外骨骼的动物。
Not to be confused with terrestrial spiders of any kind, sea spiders may be related to a common ancestor of all modern arthropods, including insects, crustaceans and other animals with exoskeletons.
一种囊状的呼吸器官，见于蝎子和蜘蛛等蜘蛛类节肢动物，由象书的纸页一们平行排列着的膜状重叠物组成。
A sacculate respiratory organ found in some arachnids, such as scorpions and spiders, consisting of several parallel membranous folds arranged like the pages in a book.
用吸虫器采样法，对双季稻区中处于多样化生境及单一生境中的两类稻田中的节肢动物群落结构特征进行了比较研究。
The community structure of arthropods both in heterogenous and in monotogenous habitat in two-crop paddy field area was studied with the suction sampler.
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