Arachnida是什么意思？

Arachnida

• 蛛形纲；

例句

• The energy content and their seasonal variations of Arachnida in arid environment were studied. 研究干旱地区蛛形纲动物的含能值变动规律.
• Arachnida and Cecidomyidae had a higher relative abundance than other families being 0.3465 and 0.2309, respectively. 蜘蛛类的相对丰盛度最高,为0.3465,瘿蚊科的相对丰盛度为0.2309, 二者在群落中所占比例较高.
• Spiders, mites, etc. come under the head of Arachnida. 蜘蛛 、 螨等归入蛛形纲.

英英词典释义

• Noun
  1. a large class of arthropods including spiders and ticks and scorpions and daddy longlegs; have four pairs of walking legs and no wings

行业词典

• 医学： 蛛形纲：节肢动物门(Ar-thropoda)的一纲，包括蜘蛛、蜱、螨和蝎；
  昆虫学： 蛛形纲；蛛形綱；