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为了解我市夏季学生蠕形螨的感染情况，于1994年6～8月份对我市部分中学生进行了调查。1对象与方法邹城市一中的学生542名，男生312名，女生230名。方法取干净玻片及2cmX5cm大小透明胶纸各1084份（每人各2份）。先在玻片的一端编号，再将透明波带贴于玻璃片上。上晚自习时登记?
In order to understand the city of summer demodex infection, from June to August 1994 some of our city high school students were investigated. 1 Subjects and Methods Zoucheng a 542 students, 312 boys and 230 girls. Methods Clean slide and 2cm × 5cm size transparent adhesive tape each 1084 (2 copies each). First, one end of the slide number, then the transparent band affixed to the glass. Registration on the night self-study?