nauplius
基本解释
- n.甲壳类动物的幼虫形式之一；无节幼体
英汉例句
- With the forming of the antennula, the egg nauplius stage is identified.
在小触角原基产生后，胚胎发育 进入卵内无节幼体期。 - Nauplius, protozoea and zoea can be further divided into 4, 3 and 2 substages, respectively.
各期又可分成无节幼体四期、蚤状幼体三期及糠虾二期。 - Larval stages could be divided into four stages: nauplius, protozea, zoea and postlarva.
幼体的发育可分成四期:无节幼体、蚤状幼体、糠虾及仔虾。 - When it was 13 days old,the bait would changed to nauplius of Artemia and baby-size Cladocera、Copepoda.
13日龄后的仔鱼开始陆续投喂卤虫无节幼体和小型的枝角类、桡足类等。 - In the course of development, the invagination of stomodeum occurs earlier than that of proctodeum at the third and the sixth nauplius stages respectively.
在发育过程中,口凹是在第三期无节幼虫时内陷形成,而原肛是在第六期无节幼虫时内陷形成的,所以口凹的发生早于原肛的发生。