作者从室内尘埃中微生物的共生关系、室内螨虫的种类及其危害、防螨虫的制剂、防螨虫效果的试验方法和羧酸酯类的防螨效果等方面作详细介绍，认为采用化学法防螨整理可获得理想的效果。
The sym- biosis of indoor microorganism, kinds of mite and its harm, anti-mite agents, test method of anti-mite effects as well as the an- ti-mite effect using carboxylic ester are all introduced.
物种在共生关系中复杂的相互作用突出了群落的一个重要特点：它们的结构取决于生物之间多样的联系网络。
The complex interplay of species in symbiotic relationships highlights an important point about communities: Their structure depends on a web of diverse connections among organisms.
事实上，珊瑚是由微小的生物体群居而成，靠与某些特定的藻类形成共生关系而存在，藻类通过光合作用为其提供氧。
Corals are actually tiny organisms that join together in colonies, and they depend on a symbiotic relationship with certain species of algae to produce energy through photosynthesis.
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