采用流行病学调查分析法，在西昌市、会东县、盐源县等地对羊螨病进行了流行病学调查。
With our investigation and analysis of epidemiology, we conducted surveys about the sheep mite in Xichang City, and Huidong and Yanyuan counties.
目的：探讨哮喘患者血清免疫学指标及患者室内尘螨孳生密度的季节变化规律。
AIM: To study the seasonal variations of mite specific antibodies in serum from asthma patients and breeding densities in their bedrooms.
记述美洲大蠊卵鞘上发现的两种螨类的形态、生物学、寄主或栖息地和国内分布等。
The morphological characteristic, biology, habitat, host and distribution data on two species of mites found on the egg pouch of American cockroach Periplaneta American l.
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