Epidemiological survey was performed on the natural environment and the infection of fasciolopsis buski in aquatic in Weishan county.
对微山县水产养殖的自然环境和布氏片虫病的感染情况进行了流行病学调查。
We conducted a cross-sectional study in Embu, São Paulo, Brazil, as the Brazilian component of a multicountry survey on abuse in the family environment.
我们在巴西圣保罗恩布进行了横断面研究,即家庭滥用体罚多国调查的巴西调查部分。
The field survey on resources, vegetation types and natural environment of the plants of karst mountains in Kunming area has been done.
对昆明石灰岩地区岩溶山地植物的自然环境、植被类型、植物资源进行实地调查。
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