蚂蚁和蟑螂已上升为城市卫生害虫的主要优势类群，直接对市民的身心健康和家居生活造成严重威胁；
Ant and cockroach have emerged as main groups of hygiene pests in city and threatened directly on citizen in many aspects.
本论文报道了连作、轮作大豆根际土壤微生物区系变化、土壤真菌优势类群、连作大豆根际土壤真菌优势类群紫青霉菌毒素的理化特性及其作用的研究结果。
In this paper, the changes of soil microbial community by soybean continuous cropping , dominant fungi, phytotoxins produced by P. purpurogenum and it's toxicity to soybean was reported.
2008年对宿鸭湖湿地节肢动物群落结构调查研究，共采集到昆虫13目144科，同翅目、双翅目和半翅目为宿鸭湖湿地昆虫群落的优势类群，膜翅目、缨翅目、鞘翅目和直翅目属于常见类群。
The investigation and research of arthropod community structure in wetlands of Suya lake were conducted from 2007 to 2008, there were 13 orders and 144 families of insect were collected.
2008年对宿鸭湖湿地节肢动物群落结构调查研究，共采集到昆虫13目144科，同翅目、双翅目和半翅目为宿鸭湖湿地昆虫群落的优势类群，膜翅目、缨翅目、鞘翅目和直翅目属于常见类群。
The investigation and research of arthropod community structure in wetlands of Suya lake were conducted from 2007 to 2008, there were 13 orders and 144 families of insect were collected.
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