The results indicated that there were twelve groups of soil fauna, Arthropoda,Mollusca,Annelida etc.

土壤动物有节肢动物门、软体动物门、环节动物门12或类。

A jawlike appendage of an arthropod.

括在节肢动物一族；小蜂科之蜂。

6 The insect nervous system is similar to that of other arthropods. Sensory structures include tympanal organs, compound eyes, and ocelli.

昆虫神经系统与其它节肢动物神经相似，感觉括听器、复眼、和单眼。