1·It may be mechanically transmitted by arthropods.
它可以通过节肢动物机械地传播。
2·As a result of overcrowding and inadequate personal hygiene, lice, fleas, mites, ticks, and other arthropods may also cause health problems.
由于过度拥挤和个人卫生的不足，虱子，跳蚤，螨，蜱和其他节肢动物也可能引起健康问题。
3·Insect insect: belonging to invertebrates, arthropods door, insects classes. It has the following characteristics.
昆虫：昆虫属于无脊椎动物，节肢动物门，昆虫纲。其具有以下特征。
4·The Museum includes six divisions: mammals, birds, amphibians and reptiles, fishes, insects and other arthropods, and molluscs. The divisional collections include some 15 million specimens.
该博物馆包括了六个分部：哺乳动物、鸟、两栖和爬行动物、鱼、昆虫及其他节肢动物、以及软体动物等，这些分部收藏的标本大约有一千五百万种。
5·Arthropods make up a very large group of invertebrates.
节肢动物是无脊椎动物中的大家族。